Home / 913,353.47-1,260,431.15-494,249.32

Finding the Fourth Proportional to 913,353.47, 1,260,431.15 and 494,249.32

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Solution

The fourth proportional to 913,353.47, 1,260,431.15 and 494,249.32 is: 682,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,353.47 : 1,260,431.15 = 494,249.32 : x
  2. Step 2: Convert to fraction form
    913,353.47/1,260,431.15 = 494,249.32/x
  3. Step 3: Cross multiply
    913,353.47x = 1,260,431.15 × 494,249.32
  4. Step 4: Simplify right side
    913,353.47x = 622,967,238,794.32
  5. Step 5: Solve for x
    x = 622,967,238,794.32/913,353.47
  6. Step 6: Final answer
    x = 682,065.88

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Double scale
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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.