Home / 928,952.62-1,393,094.55-321,575.95

Finding the Fourth Proportional to 928,952.62, 1,393,094.55 and 321,575.95

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Solution

The fourth proportional to 928,952.62, 1,393,094.55 and 321,575.95 is: 482,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,952.62 : 1,393,094.55 = 321,575.95 : x
  2. Step 2: Convert to fraction form
    928,952.62/1,393,094.55 = 321,575.95/x
  3. Step 3: Cross multiply
    928,952.62x = 1,393,094.55 × 321,575.95
  4. Step 4: Simplify right side
    928,952.62x = 447,985,703,356.07
  5. Step 5: Solve for x
    x = 447,985,703,356.07/928,952.62
  6. Step 6: Final answer
    x = 482,248.17

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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.