Home / 674,251.89-930,495.83-387,772.17

Finding the Fourth Proportional to 674,251.89, 930,495.83 and 387,772.17

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Solution

The fourth proportional to 674,251.89, 930,495.83 and 387,772.17 is: 535,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,251.89 : 930,495.83 = 387,772.17 : x
  2. Step 2: Convert to fraction form
    674,251.89/930,495.83 = 387,772.17/x
  3. Step 3: Cross multiply
    674,251.89x = 930,495.83 × 387,772.17
  4. Step 4: Simplify right side
    674,251.89x = 360,820,387,175.05
  5. Step 5: Solve for x
    x = 360,820,387,175.05/674,251.89
  6. Step 6: Final answer
    x = 535,141.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.