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Finding the Fourth Proportional to 477,402.72, 658,814.92 and 273,519.60

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Solution

The fourth proportional to 477,402.72, 658,814.92 and 273,519.60 is: 377,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,402.72 : 658,814.92 = 273,519.60 : x
  2. Step 2: Convert to fraction form
    477,402.72/658,814.92 = 273,519.60/x
  3. Step 3: Cross multiply
    477,402.72x = 658,814.92 × 273,519.60
  4. Step 4: Simplify right side
    477,402.72x = 180,198,793,392.43
  5. Step 5: Solve for x
    x = 180,198,793,392.43/477,402.72
  6. Step 6: Final answer
    x = 377,456.57

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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.