Home / 876,375.25-1,314,562.87-211,527.25

Finding the Fourth Proportional to 876,375.25, 1,314,562.87 and 211,527.25

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Solution

The fourth proportional to 876,375.25, 1,314,562.87 and 211,527.25 is: 317,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,375.25 : 1,314,562.87 = 211,527.25 : x
  2. Step 2: Convert to fraction form
    876,375.25/1,314,562.87 = 211,527.25/x
  3. Step 3: Cross multiply
    876,375.25x = 1,314,562.87 × 211,527.25
  4. Step 4: Simplify right side
    876,375.25x = 278,065,865,821.21
  5. Step 5: Solve for x
    x = 278,065,865,821.21/876,375.25
  6. Step 6: Final answer
    x = 317,290.87

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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.