Home / 951,916.74-1,428,248.93-419,063.91

Finding the Fourth Proportional to 951,916.74, 1,428,248.93 and 419,063.91

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Solution

The fourth proportional to 951,916.74, 1,428,248.93 and 419,063.91 is: 628,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,916.74 : 1,428,248.93 = 419,063.91 : x
  2. Step 2: Convert to fraction form
    951,916.74/1,428,248.93 = 419,063.91/x
  3. Step 3: Cross multiply
    951,916.74x = 1,428,248.93 × 419,063.91
  4. Step 4: Simplify right side
    951,916.74x = 598,527,578,963.80
  5. Step 5: Solve for x
    x = 598,527,578,963.80/951,916.74
  6. Step 6: Final answer
    x = 628,760.43

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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.