Home / 695,087.40-1,042,631.10-221,820.60

Finding the Fourth Proportional to 695,087.40, 1,042,631.10 and 221,820.60

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Solution

The fourth proportional to 695,087.40, 1,042,631.10 and 221,820.60 is: 332,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,087.40 : 1,042,631.10 = 221,820.60 : x
  2. Step 2: Convert to fraction form
    695,087.40/1,042,631.10 = 221,820.60/x
  3. Step 3: Cross multiply
    695,087.40x = 1,042,631.10 × 221,820.60
  4. Step 4: Simplify right side
    695,087.40x = 231,277,056,180.66
  5. Step 5: Solve for x
    x = 231,277,056,180.66/695,087.40
  6. Step 6: Final answer
    x = 332,730.90

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Similar ratio
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1.5x scale

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.