Home / 729,323.73-1,006,517.25-407,096.55

Finding the Fourth Proportional to 729,323.73, 1,006,517.25 and 407,096.55

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Solution

The fourth proportional to 729,323.73, 1,006,517.25 and 407,096.55 is: 561,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,323.73 : 1,006,517.25 = 407,096.55 : x
  2. Step 2: Convert to fraction form
    729,323.73/1,006,517.25 = 407,096.55/x
  3. Step 3: Cross multiply
    729,323.73x = 1,006,517.25 × 407,096.55
  4. Step 4: Simplify right side
    729,323.73x = 409,749,699,990.49
  5. Step 5: Solve for x
    x = 409,749,699,990.49/729,323.73
  6. Step 6: Final answer
    x = 561,821.43

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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.