Home / 681,553.92-940,506.04-375,629.36

Finding the Fourth Proportional to 681,553.92, 940,506.04 and 375,629.36

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Solution

The fourth proportional to 681,553.92, 940,506.04 and 375,629.36 is: 518,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,553.92 : 940,506.04 = 375,629.36 : x
  2. Step 2: Convert to fraction form
    681,553.92/940,506.04 = 375,629.36/x
  3. Step 3: Cross multiply
    681,553.92x = 940,506.04 × 375,629.36
  4. Step 4: Simplify right side
    681,553.92x = 353,281,681,881.33
  5. Step 5: Solve for x
    x = 353,281,681,881.33/681,553.92
  6. Step 6: Final answer
    x = 518,347.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.