Home / 754,357.12-1,132,279.26-554,115.40

Finding the Fourth Proportional to 754,357.12, 1,132,279.26 and 554,115.40

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Solution

The fourth proportional to 754,357.12, 1,132,279.26 and 554,115.40 is: 831,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,357.12 : 1,132,279.26 = 554,115.40 : x
  2. Step 2: Convert to fraction form
    754,357.12/1,132,279.26 = 554,115.40/x
  3. Step 3: Cross multiply
    754,357.12x = 1,132,279.26 × 554,115.40
  4. Step 4: Simplify right side
    754,357.12x = 627,413,375,066.60
  5. Step 5: Solve for x
    x = 627,413,375,066.60/754,357.12
  6. Step 6: Final answer
    x = 831,719.30

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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.