Home / 757,791.56-1,137,171.33-358,455.89

Finding the Fourth Proportional to 757,791.56, 1,137,171.33 and 358,455.89

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Solution

The fourth proportional to 757,791.56, 1,137,171.33 and 358,455.89 is: 537,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,791.56 : 1,137,171.33 = 358,455.89 : x
  2. Step 2: Convert to fraction form
    757,791.56/1,137,171.33 = 358,455.89/x
  3. Step 3: Cross multiply
    757,791.56x = 1,137,171.33 × 358,455.89
  4. Step 4: Simplify right side
    757,791.56x = 407,625,764,020.56
  5. Step 5: Solve for x
    x = 407,625,764,020.56/757,791.56
  6. Step 6: Final answer
    x = 537,912.78

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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.