Home / 952,492.32-1,427,744.88-321,189.12

Finding the Fourth Proportional to 952,492.32, 1,427,744.88 and 321,189.12

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Solution

The fourth proportional to 952,492.32, 1,427,744.88 and 321,189.12 is: 481,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,492.32 : 1,427,744.88 = 321,189.12 : x
  2. Step 2: Convert to fraction form
    952,492.32/1,427,744.88 = 321,189.12/x
  3. Step 3: Cross multiply
    952,492.32x = 1,427,744.88 × 321,189.12
  4. Step 4: Simplify right side
    952,492.32x = 458,576,121,591.71
  5. Step 5: Solve for x
    x = 458,576,121,591.71/952,492.32
  6. Step 6: Final answer
    x = 481,448.63

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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.