Home / 913,013.94-1,260,132.21-611,731.38

Finding the Fourth Proportional to 913,013.94, 1,260,132.21 and 611,731.38

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Solution

The fourth proportional to 913,013.94, 1,260,132.21 and 611,731.38 is: 844,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,013.94 : 1,260,132.21 = 611,731.38 : x
  2. Step 2: Convert to fraction form
    913,013.94/1,260,132.21 = 611,731.38/x
  3. Step 3: Cross multiply
    913,013.94x = 1,260,132.21 × 611,731.38
  4. Step 4: Simplify right side
    913,013.94x = 770,862,415,805.75
  5. Step 5: Solve for x
    x = 770,862,415,805.75/913,013.94
  6. Step 6: Final answer
    x = 844,305.20

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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.