Home / 1,017,246.90-1,525,870.35-307,200.90

Finding the Fourth Proportional to 1,017,246.90, 1,525,870.35 and 307,200.90

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Solution

The fourth proportional to 1,017,246.90, 1,525,870.35 and 307,200.90 is: 460,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,246.90 : 1,525,870.35 = 307,200.90 : x
  2. Step 2: Convert to fraction form
    1,017,246.90/1,525,870.35 = 307,200.90/x
  3. Step 3: Cross multiply
    1,017,246.90x = 1,525,870.35 × 307,200.90
  4. Step 4: Simplify right side
    1,017,246.90x = 468,748,744,803.32
  5. Step 5: Solve for x
    x = 468,748,744,803.32/1,017,246.90
  6. Step 6: Final answer
    x = 460,801.35

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Half scale
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Double scale
Find fourth proportional to 1,017,247.90, 1,525,871.85 and 307,201.90
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.