Home / 708,704.64-1,062,454.85-329,845.39

Finding the Fourth Proportional to 708,704.64, 1,062,454.85 and 329,845.39

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Solution

The fourth proportional to 708,704.64, 1,062,454.85 and 329,845.39 is: 494,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,704.64 : 1,062,454.85 = 329,845.39 : x
  2. Step 2: Convert to fraction form
    708,704.64/1,062,454.85 = 329,845.39/x
  3. Step 3: Cross multiply
    708,704.64x = 1,062,454.85 × 329,845.39
  4. Step 4: Simplify right side
    708,704.64x = 350,445,835,203.04
  5. Step 5: Solve for x
    x = 350,445,835,203.04/708,704.64
  6. Step 6: Final answer
    x = 494,487.85

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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.