Home / 961,225.12-1,441,685.76-321,523.84

Finding the Fourth Proportional to 961,225.12, 1,441,685.76 and 321,523.84

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Solution

The fourth proportional to 961,225.12, 1,441,685.76 and 321,523.84 is: 482,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,225.12 : 1,441,685.76 = 321,523.84 : x
  2. Step 2: Convert to fraction form
    961,225.12/1,441,685.76 = 321,523.84/x
  3. Step 3: Cross multiply
    961,225.12x = 1,441,685.76 × 321,523.84
  4. Step 4: Simplify right side
    961,225.12x = 463,536,341,628.52
  5. Step 5: Solve for x
    x = 463,536,341,628.52/961,225.12
  6. Step 6: Final answer
    x = 482,234.94

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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.