Home / 754,008.92-1,040,523.90-409,837.40

Finding the Fourth Proportional to 754,008.92, 1,040,523.90 and 409,837.40

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Solution

The fourth proportional to 754,008.92, 1,040,523.90 and 409,837.40 is: 565,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,008.92 : 1,040,523.90 = 409,837.40 : x
  2. Step 2: Convert to fraction form
    754,008.92/1,040,523.90 = 409,837.40/x
  3. Step 3: Cross multiply
    754,008.92x = 1,040,523.90 × 409,837.40
  4. Step 4: Simplify right side
    754,008.92x = 426,445,609,813.86
  5. Step 5: Solve for x
    x = 426,445,609,813.86/754,008.92
  6. Step 6: Final answer
    x = 565,571.04

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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.