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Finding the Fourth Proportional to 975.52, 1,463.46 and 487.36

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Solution

The fourth proportional to 975.52, 1,463.46 and 487.36 is: 731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.52 : 1,463.46 = 487.36 : x
  2. Step 2: Convert to fraction form
    975.52/1,463.46 = 487.36/x
  3. Step 3: Cross multiply
    975.52x = 1,463.46 × 487.36
  4. Step 4: Simplify right side
    975.52x = 713,231.87
  5. Step 5: Solve for x
    x = 713,231.87/975.52
  6. Step 6: Final answer
    x = 731.13

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.