Home / 754,941.54-1,132,062.35-281,499.78

Finding the Fourth Proportional to 754,941.54, 1,132,062.35 and 281,499.78

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Solution

The fourth proportional to 754,941.54, 1,132,062.35 and 281,499.78 is: 422,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,941.54 : 1,132,062.35 = 281,499.78 : x
  2. Step 2: Convert to fraction form
    754,941.54/1,132,062.35 = 281,499.78/x
  3. Step 3: Cross multiply
    754,941.54x = 1,132,062.35 × 281,499.78
  4. Step 4: Simplify right side
    754,941.54x = 318,675,301,063.78
  5. Step 5: Solve for x
    x = 318,675,301,063.78/754,941.54
  6. Step 6: Final answer
    x = 422,119.18

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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.