Home / 907,564.10-1,361,346.15-509,432.90

Finding the Fourth Proportional to 907,564.10, 1,361,346.15 and 509,432.90

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Solution

The fourth proportional to 907,564.10, 1,361,346.15 and 509,432.90 is: 764,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,564.10 : 1,361,346.15 = 509,432.90 : x
  2. Step 2: Convert to fraction form
    907,564.10/1,361,346.15 = 509,432.90/x
  3. Step 3: Cross multiply
    907,564.10x = 1,361,346.15 × 509,432.90
  4. Step 4: Simplify right side
    907,564.10x = 693,514,517,098.34
  5. Step 5: Solve for x
    x = 693,514,517,098.34/907,564.10
  6. Step 6: Final answer
    x = 764,149.35

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Similar ratio
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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.