Home / 709,248.88-1,062,182.04-392,921.20

Finding the Fourth Proportional to 709,248.88, 1,062,182.04 and 392,921.20

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Solution

The fourth proportional to 709,248.88, 1,062,182.04 and 392,921.20 is: 588,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,248.88 : 1,062,182.04 = 392,921.20 : x
  2. Step 2: Convert to fraction form
    709,248.88/1,062,182.04 = 392,921.20/x
  3. Step 3: Cross multiply
    709,248.88x = 1,062,182.04 × 392,921.20
  4. Step 4: Simplify right side
    709,248.88x = 417,353,841,775.25
  5. Step 5: Solve for x
    x = 417,353,841,775.25/709,248.88
  6. Step 6: Final answer
    x = 588,444.84

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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.