Home / 914,414.40-1,371,401.01-381,646.62

Finding the Fourth Proportional to 914,414.40, 1,371,401.01 and 381,646.62

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Solution

The fourth proportional to 914,414.40, 1,371,401.01 and 381,646.62 is: 572,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,414.40 : 1,371,401.01 = 381,646.62 : x
  2. Step 2: Convert to fraction form
    914,414.40/1,371,401.01 = 381,646.62/x
  3. Step 3: Cross multiply
    914,414.40x = 1,371,401.01 × 381,646.62
  4. Step 4: Simplify right side
    914,414.40x = 523,390,560,131.09
  5. Step 5: Solve for x
    x = 523,390,560,131.09/914,414.40
  6. Step 6: Final answer
    x = 572,377.86

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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.