Home / 754,011.46-1,040,543.21-409,847.18

Finding the Fourth Proportional to 754,011.46, 1,040,543.21 and 409,847.18

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Solution

The fourth proportional to 754,011.46, 1,040,543.21 and 409,847.18 is: 565,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,011.46 : 1,040,543.21 = 409,847.18 : x
  2. Step 2: Convert to fraction form
    754,011.46/1,040,543.21 = 409,847.18/x
  3. Step 3: Cross multiply
    754,011.46x = 1,040,543.21 × 409,847.18
  4. Step 4: Simplify right side
    754,011.46x = 426,463,693,034.70
  5. Step 5: Solve for x
    x = 426,463,693,034.70/754,011.46
  6. Step 6: Final answer
    x = 565,593.12

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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.