Home / 827,232.40-1,240,848.60-472,282.30

Finding the Fourth Proportional to 827,232.40, 1,240,848.60 and 472,282.30

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Solution

The fourth proportional to 827,232.40, 1,240,848.60 and 472,282.30 is: 708,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,232.40 : 1,240,848.60 = 472,282.30 : x
  2. Step 2: Convert to fraction form
    827,232.40/1,240,848.60 = 472,282.30/x
  3. Step 3: Cross multiply
    827,232.40x = 1,240,848.60 × 472,282.30
  4. Step 4: Simplify right side
    827,232.40x = 586,030,830,759.78
  5. Step 5: Solve for x
    x = 586,030,830,759.78/827,232.40
  6. Step 6: Final answer
    x = 708,423.45

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Double scale
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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.