Home / 753,889.17-1,040,375.13-409,725.09

Finding the Fourth Proportional to 753,889.17, 1,040,375.13 and 409,725.09

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Solution

The fourth proportional to 753,889.17, 1,040,375.13 and 409,725.09 is: 565,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,889.17 : 1,040,375.13 = 409,725.09 : x
  2. Step 2: Convert to fraction form
    753,889.17/1,040,375.13 = 409,725.09/x
  3. Step 3: Cross multiply
    753,889.17x = 1,040,375.13 × 409,725.09
  4. Step 4: Simplify right side
    753,889.17x = 426,267,793,773.01
  5. Step 5: Solve for x
    x = 426,267,793,773.01/753,889.17
  6. Step 6: Final answer
    x = 565,425.01

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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.