Home / 876,127.48-1,314,744.06-343,634.32

Finding the Fourth Proportional to 876,127.48, 1,314,744.06 and 343,634.32

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Solution

The fourth proportional to 876,127.48, 1,314,744.06 and 343,634.32 is: 515,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,127.48 : 1,314,744.06 = 343,634.32 : x
  2. Step 2: Convert to fraction form
    876,127.48/1,314,744.06 = 343,634.32/x
  3. Step 3: Cross multiply
    876,127.48x = 1,314,744.06 × 343,634.32
  4. Step 4: Simplify right side
    876,127.48x = 451,791,181,032.14
  5. Step 5: Solve for x
    x = 451,791,181,032.14/876,127.48
  6. Step 6: Final answer
    x = 515,668.31

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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.