Home / 617,913.72-927,468.90-298,290.06

Finding the Fourth Proportional to 617,913.72, 927,468.90 and 298,290.06

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Solution

The fourth proportional to 617,913.72, 927,468.90 and 298,290.06 is: 447,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,913.72 : 927,468.90 = 298,290.06 : x
  2. Step 2: Convert to fraction form
    617,913.72/927,468.90 = 298,290.06/x
  3. Step 3: Cross multiply
    617,913.72x = 927,468.90 × 298,290.06
  4. Step 4: Simplify right side
    617,913.72x = 276,654,753,829.13
  5. Step 5: Solve for x
    x = 276,654,753,829.13/617,913.72
  6. Step 6: Final answer
    x = 447,723.92

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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.