Home / 516,217.35-712,638.96-322,732.55

Finding the Fourth Proportional to 516,217.35, 712,638.96 and 322,732.55

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Solution

The fourth proportional to 516,217.35, 712,638.96 and 322,732.55 is: 445,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,217.35 : 712,638.96 = 322,732.55 : x
  2. Step 2: Convert to fraction form
    516,217.35/712,638.96 = 322,732.55/x
  3. Step 3: Cross multiply
    516,217.35x = 712,638.96 × 322,732.55
  4. Step 4: Simplify right side
    516,217.35x = 229,991,791,176.87
  5. Step 5: Solve for x
    x = 229,991,791,176.87/516,217.35
  6. Step 6: Final answer
    x = 445,532.85

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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.