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Finding the Fourth Proportional to 757.37, 1,140.26 and 593.71

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Solution

The fourth proportional to 757.37, 1,140.26 and 593.71 is: 893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.37 : 1,140.26 = 593.71 : x
  2. Step 2: Convert to fraction form
    757.37/1,140.26 = 593.71/x
  3. Step 3: Cross multiply
    757.37x = 1,140.26 × 593.71
  4. Step 4: Simplify right side
    757.37x = 676,977.95
  5. Step 5: Solve for x
    x = 676,977.95/757.37
  6. Step 6: Final answer
    x = 893.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.