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Finding the Fourth Proportional to 758.01, 1,046.07 and 426.48

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Solution

The fourth proportional to 758.01, 1,046.07 and 426.48 is: 588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.01 : 1,046.07 = 426.48 : x
  2. Step 2: Convert to fraction form
    758.01/1,046.07 = 426.48/x
  3. Step 3: Cross multiply
    758.01x = 1,046.07 × 426.48
  4. Step 4: Simplify right side
    758.01x = 446,127.93
  5. Step 5: Solve for x
    x = 446,127.93/758.01
  6. Step 6: Final answer
    x = 588.55

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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.