Home / 438,824.72-658,259.62-123,306.22

Finding the Fourth Proportional to 438,824.72, 658,259.62 and 123,306.22

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Solution

The fourth proportional to 438,824.72, 658,259.62 and 123,306.22 is: 184,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,824.72 : 658,259.62 = 123,306.22 : x
  2. Step 2: Convert to fraction form
    438,824.72/658,259.62 = 123,306.22/x
  3. Step 3: Cross multiply
    438,824.72x = 658,259.62 × 123,306.22
  4. Step 4: Simplify right side
    438,824.72x = 81,167,505,520.84
  5. Step 5: Solve for x
    x = 81,167,505,520.84/438,824.72
  6. Step 6: Final answer
    x = 184,965.66

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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.