Home / 438,836.72-658,277.64-123,318.24

Finding the Fourth Proportional to 438,836.72, 658,277.64 and 123,318.24

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Solution

The fourth proportional to 438,836.72, 658,277.64 and 123,318.24 is: 184,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,836.72 : 658,277.64 = 123,318.24 : x
  2. Step 2: Convert to fraction form
    438,836.72/658,277.64 = 123,318.24/x
  3. Step 3: Cross multiply
    438,836.72x = 658,277.64 × 123,318.24
  4. Step 4: Simplify right side
    438,836.72x = 81,177,639,996.15
  5. Step 5: Solve for x
    x = 81,177,639,996.15/438,836.72
  6. Step 6: Final answer
    x = 184,983.70

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1.5x scale

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.