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Finding the Fourth Proportional to 488,250.32, 728,715.04 and 456,363.68

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Solution

The fourth proportional to 488,250.32, 728,715.04 and 456,363.68 is: 681,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,250.32 : 728,715.04 = 456,363.68 : x
  2. Step 2: Convert to fraction form
    488,250.32/728,715.04 = 456,363.68/x
  3. Step 3: Cross multiply
    488,250.32x = 728,715.04 × 456,363.68
  4. Step 4: Simplify right side
    488,250.32x = 332,559,077,325.75
  5. Step 5: Solve for x
    x = 332,559,077,325.75/488,250.32
  6. Step 6: Final answer
    x = 681,124.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.