Home / 487,932.91-732,149.53-235,428.73

Finding the Fourth Proportional to 487,932.91, 732,149.53 and 235,428.73

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Solution

The fourth proportional to 487,932.91, 732,149.53 and 235,428.73 is: 353,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,932.91 : 732,149.53 = 235,428.73 : x
  2. Step 2: Convert to fraction form
    487,932.91/732,149.53 = 235,428.73/x
  3. Step 3: Cross multiply
    487,932.91x = 732,149.53 × 235,428.73
  4. Step 4: Simplify right side
    487,932.91x = 172,369,032,923.34
  5. Step 5: Solve for x
    x = 172,369,032,923.34/487,932.91
  6. Step 6: Final answer
    x = 353,263.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.