Home / 708,627.90-1,062,443.48-329,145.74

Finding the Fourth Proportional to 708,627.90, 1,062,443.48 and 329,145.74

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Solution

The fourth proportional to 708,627.90, 1,062,443.48 and 329,145.74 is: 493,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,627.90 : 1,062,443.48 = 329,145.74 : x
  2. Step 2: Convert to fraction form
    708,627.90/1,062,443.48 = 329,145.74/x
  3. Step 3: Cross multiply
    708,627.90x = 1,062,443.48 × 329,145.74
  4. Step 4: Simplify right side
    708,627.90x = 349,698,745,432.78
  5. Step 5: Solve for x
    x = 349,698,745,432.78/708,627.90
  6. Step 6: Final answer
    x = 493,487.13

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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.