Home / 708,624.91-1,062,438.98-329,142.74

Finding the Fourth Proportional to 708,624.91, 1,062,438.98 and 329,142.74

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Solution

The fourth proportional to 708,624.91, 1,062,438.98 and 329,142.74 is: 493,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,624.91 : 1,062,438.98 = 329,142.74 : x
  2. Step 2: Convert to fraction form
    708,624.91/1,062,438.98 = 329,142.74/x
  3. Step 3: Cross multiply
    708,624.91x = 1,062,438.98 × 329,142.74
  4. Step 4: Simplify right side
    708,624.91x = 349,694,077,829.74
  5. Step 5: Solve for x
    x = 349,694,077,829.74/708,624.91
  6. Step 6: Final answer
    x = 493,482.62

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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.