Home / 876,352.86-1,314,515.64-449,642.44

Finding the Fourth Proportional to 876,352.86, 1,314,515.64 and 449,642.44

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Solution

The fourth proportional to 876,352.86, 1,314,515.64 and 449,642.44 is: 674,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,352.86 : 1,314,515.64 = 449,642.44 : x
  2. Step 2: Convert to fraction form
    876,352.86/1,314,515.64 = 449,642.44/x
  3. Step 3: Cross multiply
    876,352.86x = 1,314,515.64 × 449,642.44
  4. Step 4: Simplify right side
    876,352.86x = 591,062,019,787.76
  5. Step 5: Solve for x
    x = 591,062,019,787.76/876,352.86
  6. Step 6: Final answer
    x = 674,456.66

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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.