Home / 708,350.28-977,517.24-386,060.32

Finding the Fourth Proportional to 708,350.28, 977,517.24 and 386,060.32

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Solution

The fourth proportional to 708,350.28, 977,517.24 and 386,060.32 is: 532,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,350.28 : 977,517.24 = 386,060.32 : x
  2. Step 2: Convert to fraction form
    708,350.28/977,517.24 = 386,060.32/x
  3. Step 3: Cross multiply
    708,350.28x = 977,517.24 × 386,060.32
  4. Step 4: Simplify right side
    708,350.28x = 377,380,618,479.92
  5. Step 5: Solve for x
    x = 377,380,618,479.92/708,350.28
  6. Step 6: Final answer
    x = 532,759.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.