Home / 729,325.73-1,006,520.01-407,098.55

Finding the Fourth Proportional to 729,325.73, 1,006,520.01 and 407,098.55

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Solution

The fourth proportional to 729,325.73, 1,006,520.01 and 407,098.55 is: 561,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,325.73 : 1,006,520.01 = 407,098.55 : x
  2. Step 2: Convert to fraction form
    729,325.73/1,006,520.01 = 407,098.55/x
  3. Step 3: Cross multiply
    729,325.73x = 1,006,520.01 × 407,098.55
  4. Step 4: Simplify right side
    729,325.73x = 409,752,836,616.99
  5. Step 5: Solve for x
    x = 409,752,836,616.99/729,325.73
  6. Step 6: Final answer
    x = 561,824.19

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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.