Home / 676,385.91-1,014,591.80-220,978.40

Finding the Fourth Proportional to 676,385.91, 1,014,591.80 and 220,978.40

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Solution

The fourth proportional to 676,385.91, 1,014,591.80 and 220,978.40 is: 331,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,385.91 : 1,014,591.80 = 220,978.40 : x
  2. Step 2: Convert to fraction form
    676,385.91/1,014,591.80 = 220,978.40/x
  3. Step 3: Cross multiply
    676,385.91x = 1,014,591.80 × 220,978.40
  4. Step 4: Simplify right side
    676,385.91x = 224,202,870,080.64
  5. Step 5: Solve for x
    x = 224,202,870,080.64/676,385.91
  6. Step 6: Final answer
    x = 331,471.82

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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.