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Finding the Fourth Proportional to 1,799.76, 2,699.28 and 500.94

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Solution

The fourth proportional to 1,799.76, 2,699.28 and 500.94 is: 751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.76 : 2,699.28 = 500.94 : x
  2. Step 2: Convert to fraction form
    1,799.76/2,699.28 = 500.94/x
  3. Step 3: Cross multiply
    1,799.76x = 2,699.28 × 500.94
  4. Step 4: Simplify right side
    1,799.76x = 1,352,177.32
  5. Step 5: Solve for x
    x = 1,352,177.32/1,799.76
  6. Step 6: Final answer
    x = 751.31

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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.