Home / 913,169.43-1,259,888.18-550,704.15

Finding the Fourth Proportional to 913,169.43, 1,259,888.18 and 550,704.15

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Solution

The fourth proportional to 913,169.43, 1,259,888.18 and 550,704.15 is: 759,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,169.43 : 1,259,888.18 = 550,704.15 : x
  2. Step 2: Convert to fraction form
    913,169.43/1,259,888.18 = 550,704.15/x
  3. Step 3: Cross multiply
    913,169.43x = 1,259,888.18 × 550,704.15
  4. Step 4: Simplify right side
    913,169.43x = 693,825,646,508.43
  5. Step 5: Solve for x
    x = 693,825,646,508.43/913,169.43
  6. Step 6: Final answer
    x = 759,799.47

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1.5x scale

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.