Home / 754,049.72-1,130,719.18-273,938.92

Finding the Fourth Proportional to 754,049.72, 1,130,719.18 and 273,938.92

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Solution

The fourth proportional to 754,049.72, 1,130,719.18 and 273,938.92 is: 410,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,049.72 : 1,130,719.18 = 273,938.92 : x
  2. Step 2: Convert to fraction form
    754,049.72/1,130,719.18 = 273,938.92/x
  3. Step 3: Cross multiply
    754,049.72x = 1,130,719.18 × 273,938.92
  4. Step 4: Simplify right side
    754,049.72x = 309,747,990,992.49
  5. Step 5: Solve for x
    x = 309,747,990,992.49/754,049.72
  6. Step 6: Final answer
    x = 410,779.27

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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.