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Finding the Fourth Proportional to 418,077.72, 576,726.12 and 264,845.61

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Solution

The fourth proportional to 418,077.72, 576,726.12 and 264,845.61 is: 365,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,077.72 : 576,726.12 = 264,845.61 : x
  2. Step 2: Convert to fraction form
    418,077.72/576,726.12 = 264,845.61/x
  3. Step 3: Cross multiply
    418,077.72x = 576,726.12 × 264,845.61
  4. Step 4: Simplify right side
    418,077.72x = 152,743,381,054.33
  5. Step 5: Solve for x
    x = 152,743,381,054.33/418,077.72
  6. Step 6: Final answer
    x = 365,346.86

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1.5x scale

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.