Home / 747,320.20-1,120,980.30-616,100.20

Finding the Fourth Proportional to 747,320.20, 1,120,980.30 and 616,100.20

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Solution

The fourth proportional to 747,320.20, 1,120,980.30 and 616,100.20 is: 924,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,320.20 : 1,120,980.30 = 616,100.20 : x
  2. Step 2: Convert to fraction form
    747,320.20/1,120,980.30 = 616,100.20/x
  3. Step 3: Cross multiply
    747,320.20x = 1,120,980.30 × 616,100.20
  4. Step 4: Simplify right side
    747,320.20x = 690,636,187,026.06
  5. Step 5: Solve for x
    x = 690,636,187,026.06/747,320.20
  6. Step 6: Final answer
    x = 924,150.30

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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.