Home / 754,939.60-1,132,605.38-281,628.52

Finding the Fourth Proportional to 754,939.60, 1,132,605.38 and 281,628.52

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Solution

The fourth proportional to 754,939.60, 1,132,605.38 and 281,628.52 is: 422,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,939.60 : 1,132,605.38 = 281,628.52 : x
  2. Step 2: Convert to fraction form
    754,939.60/1,132,605.38 = 281,628.52/x
  3. Step 3: Cross multiply
    754,939.60x = 1,132,605.38 × 281,628.52
  4. Step 4: Simplify right side
    754,939.60x = 318,973,976,913.44
  5. Step 5: Solve for x
    x = 318,973,976,913.44/754,939.60
  6. Step 6: Final answer
    x = 422,515.89

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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.