Home / 754,049.22-1,130,718.44-273,938.42

Finding the Fourth Proportional to 754,049.22, 1,130,718.44 and 273,938.42

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Solution

The fourth proportional to 754,049.22, 1,130,718.44 and 273,938.42 is: 410,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,049.22 : 1,130,718.44 = 273,938.42 : x
  2. Step 2: Convert to fraction form
    754,049.22/1,130,718.44 = 273,938.42/x
  3. Step 3: Cross multiply
    754,049.22x = 1,130,718.44 × 273,938.42
  4. Step 4: Simplify right side
    754,049.22x = 309,747,215,895.18
  5. Step 5: Solve for x
    x = 309,747,215,895.18/754,049.22
  6. Step 6: Final answer
    x = 410,778.51

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1.5x scale

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.