Home / 876,349.87-1,314,511.13-449,639.44

Finding the Fourth Proportional to 876,349.87, 1,314,511.13 and 449,639.44

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Solution

The fourth proportional to 876,349.87, 1,314,511.13 and 449,639.44 is: 674,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,349.87 : 1,314,511.13 = 449,639.44 : x
  2. Step 2: Convert to fraction form
    876,349.87/1,314,511.13 = 449,639.44/x
  3. Step 3: Cross multiply
    876,349.87x = 1,314,511.13 × 449,639.44
  4. Step 4: Simplify right side
    876,349.87x = 591,056,046,204.79
  5. Step 5: Solve for x
    x = 591,056,046,204.79/876,349.87
  6. Step 6: Final answer
    x = 674,452.14

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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.