Home / 754,931.40-1,132,047.16-281,489.64

Finding the Fourth Proportional to 754,931.40, 1,132,047.16 and 281,489.64

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Solution

The fourth proportional to 754,931.40, 1,132,047.16 and 281,489.64 is: 422,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,931.40 : 1,132,047.16 = 281,489.64 : x
  2. Step 2: Convert to fraction form
    754,931.40/1,132,047.16 = 281,489.64/x
  3. Step 3: Cross multiply
    754,931.40x = 1,132,047.16 × 281,489.64
  4. Step 4: Simplify right side
    754,931.40x = 318,659,547,531.42
  5. Step 5: Solve for x
    x = 318,659,547,531.42/754,931.40
  6. Step 6: Final answer
    x = 422,103.98

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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.