Home / 747,341.20-1,121,011.80-616,121.20

Finding the Fourth Proportional to 747,341.20, 1,121,011.80 and 616,121.20

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Solution

The fourth proportional to 747,341.20, 1,121,011.80 and 616,121.20 is: 924,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,341.20 : 1,121,011.80 = 616,121.20 : x
  2. Step 2: Convert to fraction form
    747,341.20/1,121,011.80 = 616,121.20/x
  3. Step 3: Cross multiply
    747,341.20x = 1,121,011.80 × 616,121.20
  4. Step 4: Simplify right side
    747,341.20x = 690,679,135,430.16
  5. Step 5: Solve for x
    x = 690,679,135,430.16/747,341.20
  6. Step 6: Final answer
    x = 924,181.80

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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.