Home / 667,630.52-1,001,480.40-194,352.78

Finding the Fourth Proportional to 667,630.52, 1,001,480.40 and 194,352.78

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Solution

The fourth proportional to 667,630.52, 1,001,480.40 and 194,352.78 is: 291,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,630.52 : 1,001,480.40 = 194,352.78 : x
  2. Step 2: Convert to fraction form
    667,630.52/1,001,480.40 = 194,352.78/x
  3. Step 3: Cross multiply
    667,630.52x = 1,001,480.40 × 194,352.78
  4. Step 4: Simplify right side
    667,630.52x = 194,640,499,855.51
  5. Step 5: Solve for x
    x = 194,640,499,855.51/667,630.52
  6. Step 6: Final answer
    x = 291,539.25

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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.