Home / 754,928.40-1,132,042.67-281,486.64

Finding the Fourth Proportional to 754,928.40, 1,132,042.67 and 281,486.64

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Solution

The fourth proportional to 754,928.40, 1,132,042.67 and 281,486.64 is: 422,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,928.40 : 1,132,042.67 = 281,486.64 : x
  2. Step 2: Convert to fraction form
    754,928.40/1,132,042.67 = 281,486.64/x
  3. Step 3: Cross multiply
    754,928.40x = 1,132,042.67 × 281,486.64
  4. Step 4: Simplify right side
    754,928.40x = 318,654,886,107.50
  5. Step 5: Solve for x
    x = 318,654,886,107.50/754,928.40
  6. Step 6: Final answer
    x = 422,099.48

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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.