Home / 667,466.70-1,001,200.05-639,473.10

Finding the Fourth Proportional to 667,466.70, 1,001,200.05 and 639,473.10

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Solution

The fourth proportional to 667,466.70, 1,001,200.05 and 639,473.10 is: 959,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,466.70 : 1,001,200.05 = 639,473.10 : x
  2. Step 2: Convert to fraction form
    667,466.70/1,001,200.05 = 639,473.10/x
  3. Step 3: Cross multiply
    667,466.70x = 1,001,200.05 × 639,473.10
  4. Step 4: Simplify right side
    667,466.70x = 640,240,499,693.66
  5. Step 5: Solve for x
    x = 640,240,499,693.66/667,466.70
  6. Step 6: Final answer
    x = 959,209.65

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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.