Home / 951,918.74-1,428,251.93-419,065.91

Finding the Fourth Proportional to 951,918.74, 1,428,251.93 and 419,065.91

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Solution

The fourth proportional to 951,918.74, 1,428,251.93 and 419,065.91 is: 628,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,918.74 : 1,428,251.93 = 419,065.91 : x
  2. Step 2: Convert to fraction form
    951,918.74/1,428,251.93 = 419,065.91/x
  3. Step 3: Cross multiply
    951,918.74x = 1,428,251.93 × 419,065.91
  4. Step 4: Simplify right side
    951,918.74x = 598,531,694,754.71
  5. Step 5: Solve for x
    x = 598,531,694,754.71/951,918.74
  6. Step 6: Final answer
    x = 628,763.43

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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.