Home / 729,010.30-1,093,515.45-410,145.70

Finding the Fourth Proportional to 729,010.30, 1,093,515.45 and 410,145.70

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Solution

The fourth proportional to 729,010.30, 1,093,515.45 and 410,145.70 is: 615,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,010.30 : 1,093,515.45 = 410,145.70 : x
  2. Step 2: Convert to fraction form
    729,010.30/1,093,515.45 = 410,145.70/x
  3. Step 3: Cross multiply
    729,010.30x = 1,093,515.45 × 410,145.70
  4. Step 4: Simplify right side
    729,010.30x = 448,500,659,701.07
  5. Step 5: Solve for x
    x = 448,500,659,701.07/729,010.30
  6. Step 6: Final answer
    x = 615,218.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.