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Finding the Fourth Proportional to 847.45, 1,169.04 and 598.38

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Solution

The fourth proportional to 847.45, 1,169.04 and 598.38 is: 825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.45 : 1,169.04 = 598.38 : x
  2. Step 2: Convert to fraction form
    847.45/1,169.04 = 598.38/x
  3. Step 3: Cross multiply
    847.45x = 1,169.04 × 598.38
  4. Step 4: Simplify right side
    847.45x = 699,524.31
  5. Step 5: Solve for x
    x = 699,524.31/847.45
  6. Step 6: Final answer
    x = 825.45

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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.