Home / 498,331.28-687,616.05-294,353.89

Finding the Fourth Proportional to 498,331.28, 687,616.05 and 294,353.89

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Solution

The fourth proportional to 498,331.28, 687,616.05 and 294,353.89 is: 406,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,331.28 : 687,616.05 = 294,353.89 : x
  2. Step 2: Convert to fraction form
    498,331.28/687,616.05 = 294,353.89/x
  3. Step 3: Cross multiply
    498,331.28x = 687,616.05 × 294,353.89
  4. Step 4: Simplify right side
    498,331.28x = 202,402,459,143.94
  5. Step 5: Solve for x
    x = 202,402,459,143.94/498,331.28
  6. Step 6: Final answer
    x = 406,160.45

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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.