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Finding the Fourth Proportional to 804.72, 1,108.44 and 750.96

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Solution

The fourth proportional to 804.72, 1,108.44 and 750.96 is: 1,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.72 : 1,108.44 = 750.96 : x
  2. Step 2: Convert to fraction form
    804.72/1,108.44 = 750.96/x
  3. Step 3: Cross multiply
    804.72x = 1,108.44 × 750.96
  4. Step 4: Simplify right side
    804.72x = 832,394.10
  5. Step 5: Solve for x
    x = 832,394.10/804.72
  6. Step 6: Final answer
    x = 1,034.39

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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.