Home / 699,516.26-1,047,102.33-378,871.74

Finding the Fourth Proportional to 699,516.26, 1,047,102.33 and 378,871.74

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Solution

The fourth proportional to 699,516.26, 1,047,102.33 and 378,871.74 is: 567,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,516.26 : 1,047,102.33 = 378,871.74 : x
  2. Step 2: Convert to fraction form
    699,516.26/1,047,102.33 = 378,871.74/x
  3. Step 3: Cross multiply
    699,516.26x = 1,047,102.33 × 378,871.74
  4. Step 4: Simplify right side
    699,516.26x = 396,717,481,725.15
  5. Step 5: Solve for x
    x = 396,717,481,725.15/699,516.26
  6. Step 6: Final answer
    x = 567,131.18

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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.