Home / 754,143.16-1,040,713.19-427,517.81

Finding the Fourth Proportional to 754,143.16, 1,040,713.19 and 427,517.81

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Solution

The fourth proportional to 754,143.16, 1,040,713.19 and 427,517.81 is: 589,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,143.16 : 1,040,713.19 = 427,517.81 : x
  2. Step 2: Convert to fraction form
    754,143.16/1,040,713.19 = 427,517.81/x
  3. Step 3: Cross multiply
    754,143.16x = 1,040,713.19 × 427,517.81
  4. Step 4: Simplify right side
    754,143.16x = 444,923,418,623.35
  5. Step 5: Solve for x
    x = 444,923,418,623.35/754,143.16
  6. Step 6: Final answer
    x = 589,972.10

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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.