Home / 671,444.10-1,007,166.15-664,445.70

Finding the Fourth Proportional to 671,444.10, 1,007,166.15 and 664,445.70

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Solution

The fourth proportional to 671,444.10, 1,007,166.15 and 664,445.70 is: 996,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,444.10 : 1,007,166.15 = 664,445.70 : x
  2. Step 2: Convert to fraction form
    671,444.10/1,007,166.15 = 664,445.70/x
  3. Step 3: Cross multiply
    671,444.10x = 1,007,166.15 × 664,445.70
  4. Step 4: Simplify right side
    671,444.10x = 669,207,217,553.06
  5. Step 5: Solve for x
    x = 669,207,217,553.06/671,444.10
  6. Step 6: Final answer
    x = 996,668.55

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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.