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Finding the Fourth Proportional to 477,519.27, 658,603.15 and 296,128.68

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Solution

The fourth proportional to 477,519.27, 658,603.15 and 296,128.68 is: 408,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,519.27 : 658,603.15 = 296,128.68 : x
  2. Step 2: Convert to fraction form
    477,519.27/658,603.15 = 296,128.68/x
  3. Step 3: Cross multiply
    477,519.27x = 658,603.15 × 296,128.68
  4. Step 4: Simplify right side
    477,519.27x = 195,031,280,713.02
  5. Step 5: Solve for x
    x = 195,031,280,713.02/477,519.27
  6. Step 6: Final answer
    x = 408,425.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.