Home / 747,309.20-1,120,963.80-616,089.20

Finding the Fourth Proportional to 747,309.20, 1,120,963.80 and 616,089.20

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Solution

The fourth proportional to 747,309.20, 1,120,963.80 and 616,089.20 is: 924,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,309.20 : 1,120,963.80 = 616,089.20 : x
  2. Step 2: Convert to fraction form
    747,309.20/1,120,963.80 = 616,089.20/x
  3. Step 3: Cross multiply
    747,309.20x = 1,120,963.80 × 616,089.20
  4. Step 4: Simplify right side
    747,309.20x = 690,613,690,770.96
  5. Step 5: Solve for x
    x = 690,613,690,770.96/747,309.20
  6. Step 6: Final answer
    x = 924,133.80

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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.