Home / 827,150.90-1,240,726.35-407,246.90

Finding the Fourth Proportional to 827,150.90, 1,240,726.35 and 407,246.90

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Solution

The fourth proportional to 827,150.90, 1,240,726.35 and 407,246.90 is: 610,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,150.90 : 1,240,726.35 = 407,246.90 : x
  2. Step 2: Convert to fraction form
    827,150.90/1,240,726.35 = 407,246.90/x
  3. Step 3: Cross multiply
    827,150.90x = 1,240,726.35 × 407,246.90
  4. Step 4: Simplify right side
    827,150.90x = 505,281,959,785.82
  5. Step 5: Solve for x
    x = 505,281,959,785.82/827,150.90
  6. Step 6: Final answer
    x = 610,870.35

Related Problems

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Half scale
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Double scale
Find fourth proportional to 827,151.90, 1,240,727.85 and 407,247.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.