Home / 693,338.90-1,040,008.38-453,654.18

Finding the Fourth Proportional to 693,338.90, 1,040,008.38 and 453,654.18

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Solution

The fourth proportional to 693,338.90, 1,040,008.38 and 453,654.18 is: 680,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,338.90 : 1,040,008.38 = 453,654.18 : x
  2. Step 2: Convert to fraction form
    693,338.90/1,040,008.38 = 453,654.18/x
  3. Step 3: Cross multiply
    693,338.90x = 1,040,008.38 × 453,654.18
  4. Step 4: Simplify right side
    693,338.90x = 471,804,148,822.03
  5. Step 5: Solve for x
    x = 471,804,148,822.03/693,338.90
  6. Step 6: Final answer
    x = 680,481.29

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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.