Home / 924,181.20-1,275,355.98-516,288.90

Finding the Fourth Proportional to 924,181.20, 1,275,355.98 and 516,288.90

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Solution

The fourth proportional to 924,181.20, 1,275,355.98 and 516,288.90 is: 712,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,181.20 : 1,275,355.98 = 516,288.90 : x
  2. Step 2: Convert to fraction form
    924,181.20/1,275,355.98 = 516,288.90/x
  3. Step 3: Cross multiply
    924,181.20x = 1,275,355.98 × 516,288.90
  4. Step 4: Simplify right side
    924,181.20x = 658,452,136,022.62
  5. Step 5: Solve for x
    x = 658,452,136,022.62/924,181.20
  6. Step 6: Final answer
    x = 712,470.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.