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Finding the Fourth Proportional to 844.72, 1,170.68 and 832.98

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Solution

The fourth proportional to 844.72, 1,170.68 and 832.98 is: 1,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.72 : 1,170.68 = 832.98 : x
  2. Step 2: Convert to fraction form
    844.72/1,170.68 = 832.98/x
  3. Step 3: Cross multiply
    844.72x = 1,170.68 × 832.98
  4. Step 4: Simplify right side
    844.72x = 975,148.86
  5. Step 5: Solve for x
    x = 975,148.86/844.72
  6. Step 6: Final answer
    x = 1,154.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.