Home / 754,023.70-1,131,363.60-380,046.70

Finding the Fourth Proportional to 754,023.70, 1,131,363.60 and 380,046.70

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Solution

The fourth proportional to 754,023.70, 1,131,363.60 and 380,046.70 is: 570,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,023.70 : 1,131,363.60 = 380,046.70 : x
  2. Step 2: Convert to fraction form
    754,023.70/1,131,363.60 = 380,046.70/x
  3. Step 3: Cross multiply
    754,023.70x = 1,131,363.60 × 380,046.70
  4. Step 4: Simplify right side
    754,023.70x = 429,971,002,680.12
  5. Step 5: Solve for x
    x = 429,971,002,680.12/754,023.70
  6. Step 6: Final answer
    x = 570,235.40

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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.