Home / 758,972.40-1,138,458.60-198,006.90

Finding the Fourth Proportional to 758,972.40, 1,138,458.60 and 198,006.90

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Solution

The fourth proportional to 758,972.40, 1,138,458.60 and 198,006.90 is: 297,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,972.40 : 1,138,458.60 = 198,006.90 : x
  2. Step 2: Convert to fraction form
    758,972.40/1,138,458.60 = 198,006.90/x
  3. Step 3: Cross multiply
    758,972.40x = 1,138,458.60 × 198,006.90
  4. Step 4: Simplify right side
    758,972.40x = 225,422,658,164.34
  5. Step 5: Solve for x
    x = 225,422,658,164.34/758,972.40
  6. Step 6: Final answer
    x = 297,010.35

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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.