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Finding the Fourth Proportional to 526,633.89, 726,760.04 and 284,921.66

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Solution

The fourth proportional to 526,633.89, 726,760.04 and 284,921.66 is: 393,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,633.89 : 726,760.04 = 284,921.66 : x
  2. Step 2: Convert to fraction form
    526,633.89/726,760.04 = 284,921.66/x
  3. Step 3: Cross multiply
    526,633.89x = 726,760.04 × 284,921.66
  4. Step 4: Simplify right side
    526,633.89x = 207,069,671,960.06
  5. Step 5: Solve for x
    x = 207,069,671,960.06/526,633.89
  6. Step 6: Final answer
    x = 393,194.73

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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.