Home / 961,160.56-1,441,890.28-321,266.22

Finding the Fourth Proportional to 961,160.56, 1,441,890.28 and 321,266.22

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Solution

The fourth proportional to 961,160.56, 1,441,890.28 and 321,266.22 is: 481,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,160.56 : 1,441,890.28 = 321,266.22 : x
  2. Step 2: Convert to fraction form
    961,160.56/1,441,890.28 = 321,266.22/x
  3. Step 3: Cross multiply
    961,160.56x = 1,441,890.28 × 321,266.22
  4. Step 4: Simplify right side
    961,160.56x = 463,230,639,910.34
  5. Step 5: Solve for x
    x = 463,230,639,910.34/961,160.56
  6. Step 6: Final answer
    x = 481,949.28

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Double scale
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1.5x scale

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.