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Finding the Fourth Proportional to 726.57, 998.73 and 651.24

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Solution

The fourth proportional to 726.57, 998.73 and 651.24 is: 895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726.57 : 998.73 = 651.24 : x
  2. Step 2: Convert to fraction form
    726.57/998.73 = 651.24/x
  3. Step 3: Cross multiply
    726.57x = 998.73 × 651.24
  4. Step 4: Simplify right side
    726.57x = 650,412.93
  5. Step 5: Solve for x
    x = 650,412.93/726.57
  6. Step 6: Final answer
    x = 895.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.