Home / 882,320.25-1,323,677.22-321,354.75

Finding the Fourth Proportional to 882,320.25, 1,323,677.22 and 321,354.75

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Solution

The fourth proportional to 882,320.25, 1,323,677.22 and 321,354.75 is: 482,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,320.25 : 1,323,677.22 = 321,354.75 : x
  2. Step 2: Convert to fraction form
    882,320.25/1,323,677.22 = 321,354.75/x
  3. Step 3: Cross multiply
    882,320.25x = 1,323,677.22 × 321,354.75
  4. Step 4: Simplify right side
    882,320.25x = 425,369,962,113.80
  5. Step 5: Solve for x
    x = 425,369,962,113.80/882,320.25
  6. Step 6: Final answer
    x = 482,103.82

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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.