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Finding the Fourth Proportional to 477,414.49, 658,818.84 and 262,554.55

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Solution

The fourth proportional to 477,414.49, 658,818.84 and 262,554.55 is: 362,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,414.49 : 658,818.84 = 262,554.55 : x
  2. Step 2: Convert to fraction form
    477,414.49/658,818.84 = 262,554.55/x
  3. Step 3: Cross multiply
    477,414.49x = 658,818.84 × 262,554.55
  4. Step 4: Simplify right side
    477,414.49x = 172,975,884,067.72
  5. Step 5: Solve for x
    x = 172,975,884,067.72/477,414.49
  6. Step 6: Final answer
    x = 362,318.04

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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.