Home / 454,946.31-681,866.03-321,864.93

Finding the Fourth Proportional to 454,946.31, 681,866.03 and 321,864.93

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Solution

The fourth proportional to 454,946.31, 681,866.03 and 321,864.93 is: 482,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,946.31 : 681,866.03 = 321,864.93 : x
  2. Step 2: Convert to fraction form
    454,946.31/681,866.03 = 321,864.93/x
  3. Step 3: Cross multiply
    454,946.31x = 681,866.03 × 321,864.93
  4. Step 4: Simplify right side
    454,946.31x = 219,468,762,819.99
  5. Step 5: Solve for x
    x = 219,468,762,819.99/454,946.31
  6. Step 6: Final answer
    x = 482,405.85

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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.