Home / 695,951.28-1,042,340.52-414,887.60

Finding the Fourth Proportional to 695,951.28, 1,042,340.52 and 414,887.60

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Solution

The fourth proportional to 695,951.28, 1,042,340.52 and 414,887.60 is: 621,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,951.28 : 1,042,340.52 = 414,887.60 : x
  2. Step 2: Convert to fraction form
    695,951.28/1,042,340.52 = 414,887.60/x
  3. Step 3: Cross multiply
    695,951.28x = 1,042,340.52 × 414,887.60
  4. Step 4: Simplify right side
    695,951.28x = 432,454,156,725.55
  5. Step 5: Solve for x
    x = 432,454,156,725.55/695,951.28
  6. Step 6: Final answer
    x = 621,385.68

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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.