Home / 876,055.75-1,314,225.78-343,287.97

Finding the Fourth Proportional to 876,055.75, 1,314,225.78 and 343,287.97

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Solution

The fourth proportional to 876,055.75, 1,314,225.78 and 343,287.97 is: 514,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,055.75 : 1,314,225.78 = 343,287.97 : x
  2. Step 2: Convert to fraction form
    876,055.75/1,314,225.78 = 343,287.97/x
  3. Step 3: Cross multiply
    876,055.75x = 1,314,225.78 × 343,287.97
  4. Step 4: Simplify right side
    876,055.75x = 451,157,900,137.87
  5. Step 5: Solve for x
    x = 451,157,900,137.87/876,055.75
  6. Step 6: Final answer
    x = 514,987.66

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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.