Home / 754,356.62-1,132,278.51-554,114.90

Finding the Fourth Proportional to 754,356.62, 1,132,278.51 and 554,114.90

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Solution

The fourth proportional to 754,356.62, 1,132,278.51 and 554,114.90 is: 831,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,356.62 : 1,132,278.51 = 554,114.90 : x
  2. Step 2: Convert to fraction form
    754,356.62/1,132,278.51 = 554,114.90/x
  3. Step 3: Cross multiply
    754,356.62x = 1,132,278.51 × 554,114.90
  4. Step 4: Simplify right side
    754,356.62x = 627,412,393,340.80
  5. Step 5: Solve for x
    x = 627,412,393,340.80/754,356.62
  6. Step 6: Final answer
    x = 831,718.55

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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.