Home / 676,385.66-1,014,591.43-220,978.15

Finding the Fourth Proportional to 676,385.66, 1,014,591.43 and 220,978.15

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Solution

The fourth proportional to 676,385.66, 1,014,591.43 and 220,978.15 is: 331,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,385.66 : 1,014,591.43 = 220,978.15 : x
  2. Step 2: Convert to fraction form
    676,385.66/1,014,591.43 = 220,978.15/x
  3. Step 3: Cross multiply
    676,385.66x = 1,014,591.43 × 220,978.15
  4. Step 4: Simplify right side
    676,385.66x = 224,202,533,704.00
  5. Step 5: Solve for x
    x = 224,202,533,704.00/676,385.66
  6. Step 6: Final answer
    x = 331,471.45

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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.