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Finding the Fourth Proportional to 975.03, 1,462.50 and 487.68

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Solution

The fourth proportional to 975.03, 1,462.50 and 487.68 is: 731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.03 : 1,462.50 = 487.68 : x
  2. Step 2: Convert to fraction form
    975.03/1,462.50 = 487.68/x
  3. Step 3: Cross multiply
    975.03x = 1,462.50 × 487.68
  4. Step 4: Simplify right side
    975.03x = 713,232
  5. Step 5: Solve for x
    x = 713,232/975.03
  6. Step 6: Final answer
    x = 731.50

Related Problems

Find fourth proportional to 487.52, 731.25 and 243.84
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.