Home / 664,211.10-996,316.65-439,824.90

Finding the Fourth Proportional to 664,211.10, 996,316.65 and 439,824.90

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Solution

The fourth proportional to 664,211.10, 996,316.65 and 439,824.90 is: 659,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,211.10 : 996,316.65 = 439,824.90 : x
  2. Step 2: Convert to fraction form
    664,211.10/996,316.65 = 439,824.90/x
  3. Step 3: Cross multiply
    664,211.10x = 996,316.65 × 439,824.90
  4. Step 4: Simplify right side
    664,211.10x = 438,204,870,954.59
  5. Step 5: Solve for x
    x = 438,204,870,954.59/664,211.10
  6. Step 6: Final answer
    x = 659,737.35

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Similar ratio
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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.