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Finding the Fourth Proportional to 626,729.70, 939,451.02 and 247,496.73

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Solution

The fourth proportional to 626,729.70, 939,451.02 and 247,496.73 is: 370,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,729.70 : 939,451.02 = 247,496.73 : x
  2. Step 2: Convert to fraction form
    626,729.70/939,451.02 = 247,496.73/x
  3. Step 3: Cross multiply
    626,729.70x = 939,451.02 × 247,496.73
  4. Step 4: Simplify right side
    626,729.70x = 232,511,055,445.17
  5. Step 5: Solve for x
    x = 232,511,055,445.17/626,729.70
  6. Step 6: Final answer
    x = 370,990.96

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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.