Home / 617,747.98-927,221.15-298,124.78

Finding the Fourth Proportional to 617,747.98, 927,221.15 and 298,124.78

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Solution

The fourth proportional to 617,747.98, 927,221.15 and 298,124.78 is: 447,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,747.98 : 927,221.15 = 298,124.78 : x
  2. Step 2: Convert to fraction form
    617,747.98/927,221.15 = 298,124.78/x
  3. Step 3: Cross multiply
    617,747.98x = 927,221.15 × 298,124.78
  4. Step 4: Simplify right side
    617,747.98x = 276,427,599,864.47
  5. Step 5: Solve for x
    x = 276,427,599,864.47/617,747.98
  6. Step 6: Final answer
    x = 447,476.34

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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.