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Finding the Fourth Proportional to 844.76, 1,165.73 and 471.73

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Solution

The fourth proportional to 844.76, 1,165.73 and 471.73 is: 650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.76 : 1,165.73 = 471.73 : x
  2. Step 2: Convert to fraction form
    844.76/1,165.73 = 471.73/x
  3. Step 3: Cross multiply
    844.76x = 1,165.73 × 471.73
  4. Step 4: Simplify right side
    844.76x = 549,909.81
  5. Step 5: Solve for x
    x = 549,909.81/844.76
  6. Step 6: Final answer
    x = 650.97

Related Problems

Find fourth proportional to 422.38, 582.87 and 235.87
Half scale
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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.