Home / 757,425.33-1,135,337.31-330,586.92

Finding the Fourth Proportional to 757,425.33, 1,135,337.31 and 330,586.92

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Solution

The fourth proportional to 757,425.33, 1,135,337.31 and 330,586.92 is: 495,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,425.33 : 1,135,337.31 = 330,586.92 : x
  2. Step 2: Convert to fraction form
    757,425.33/1,135,337.31 = 330,586.92/x
  3. Step 3: Cross multiply
    757,425.33x = 1,135,337.31 × 330,586.92
  4. Step 4: Simplify right side
    757,425.33x = 375,327,664,473.99
  5. Step 5: Solve for x
    x = 375,327,664,473.99/757,425.33
  6. Step 6: Final answer
    x = 495,530.91

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Double scale
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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.