Home / 754,014.72-1,040,547.68-409,850.44

Finding the Fourth Proportional to 754,014.72, 1,040,547.68 and 409,850.44

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Solution

The fourth proportional to 754,014.72, 1,040,547.68 and 409,850.44 is: 565,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,014.72 : 1,040,547.68 = 409,850.44 : x
  2. Step 2: Convert to fraction form
    754,014.72/1,040,547.68 = 409,850.44/x
  3. Step 3: Cross multiply
    754,014.72x = 1,040,547.68 × 409,850.44
  4. Step 4: Simplify right side
    754,014.72x = 426,468,924,488.98
  5. Step 5: Solve for x
    x = 426,468,924,488.98/754,014.72
  6. Step 6: Final answer
    x = 565,597.61

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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.