Home / 731,520.73-1,008,940.48-629,713.45

Finding the Fourth Proportional to 731,520.73, 1,008,940.48 and 629,713.45

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Solution

The fourth proportional to 731,520.73, 1,008,940.48 and 629,713.45 is: 868,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,520.73 : 1,008,940.48 = 629,713.45 : x
  2. Step 2: Convert to fraction form
    731,520.73/1,008,940.48 = 629,713.45/x
  3. Step 3: Cross multiply
    731,520.73x = 1,008,940.48 × 629,713.45
  4. Step 4: Simplify right side
    731,520.73x = 635,343,390,505.46
  5. Step 5: Solve for x
    x = 635,343,390,505.46/731,520.73
  6. Step 6: Final answer
    x = 868,524.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.