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Finding the Fourth Proportional to 754.82, 1,040.24 and 588.77

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Solution

The fourth proportional to 754.82, 1,040.24 and 588.77 is: 811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.82 : 1,040.24 = 588.77 : x
  2. Step 2: Convert to fraction form
    754.82/1,040.24 = 588.77/x
  3. Step 3: Cross multiply
    754.82x = 1,040.24 × 588.77
  4. Step 4: Simplify right side
    754.82x = 612,458.03
  5. Step 5: Solve for x
    x = 612,458.03/754.82
  6. Step 6: Final answer
    x = 811.40

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.