Home / 689,559.38-1,034,636.51-263,223.26

Finding the Fourth Proportional to 689,559.38, 1,034,636.51 and 263,223.26

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Solution

The fourth proportional to 689,559.38, 1,034,636.51 and 263,223.26 is: 394,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,559.38 : 1,034,636.51 = 263,223.26 : x
  2. Step 2: Convert to fraction form
    689,559.38/1,034,636.51 = 263,223.26/x
  3. Step 3: Cross multiply
    689,559.38x = 1,034,636.51 × 263,223.26
  4. Step 4: Simplify right side
    689,559.38x = 272,340,390,562.10
  5. Step 5: Solve for x
    x = 272,340,390,562.10/689,559.38
  6. Step 6: Final answer
    x = 394,948.43

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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.