Home / 476,966.47-658,070.19-285,910.15

Finding the Fourth Proportional to 476,966.47, 658,070.19 and 285,910.15

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Solution

The fourth proportional to 476,966.47, 658,070.19 and 285,910.15 is: 394,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,966.47 : 658,070.19 = 285,910.15 : x
  2. Step 2: Convert to fraction form
    476,966.47/658,070.19 = 285,910.15/x
  3. Step 3: Cross multiply
    476,966.47x = 658,070.19 × 285,910.15
  4. Step 4: Simplify right side
    476,966.47x = 188,148,942,013.53
  5. Step 5: Solve for x
    x = 188,148,942,013.53/476,966.47
  6. Step 6: Final answer
    x = 394,469.96

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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.