Home / 477,345.18-658,734-281,225.52

Finding the Fourth Proportional to 477,345.18, 658,734 and 281,225.52

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Solution

The fourth proportional to 477,345.18, 658,734 and 281,225.52 is: 388,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,345.18 : 658,734 = 281,225.52 : x
  2. Step 2: Convert to fraction form
    477,345.18/658,734 = 281,225.52/x
  3. Step 3: Cross multiply
    477,345.18x = 658,734 × 281,225.52
  4. Step 4: Simplify right side
    477,345.18x = 185,252,811,691.68
  5. Step 5: Solve for x
    x = 185,252,811,691.68/477,345.18
  6. Step 6: Final answer
    x = 388,089.83

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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.