Home / 452,578.17-678,867.23-115,619.56

Finding the Fourth Proportional to 452,578.17, 678,867.23 and 115,619.56

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Solution

The fourth proportional to 452,578.17, 678,867.23 and 115,619.56 is: 173,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,578.17 : 678,867.23 = 115,619.56 : x
  2. Step 2: Convert to fraction form
    452,578.17/678,867.23 = 115,619.56/x
  3. Step 3: Cross multiply
    452,578.17x = 678,867.23 × 115,619.56
  4. Step 4: Simplify right side
    452,578.17x = 78,490,327,036.68
  5. Step 5: Solve for x
    x = 78,490,327,036.68/452,578.17
  6. Step 6: Final answer
    x = 173,429.33

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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.