Home / 681,449.69-940,406.79-375,537.04

Finding the Fourth Proportional to 681,449.69, 940,406.79 and 375,537.04

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Solution

The fourth proportional to 681,449.69, 940,406.79 and 375,537.04 is: 518,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,449.69 : 940,406.79 = 375,537.04 : x
  2. Step 2: Convert to fraction form
    681,449.69/940,406.79 = 375,537.04/x
  3. Step 3: Cross multiply
    681,449.69x = 940,406.79 × 375,537.04
  4. Step 4: Simplify right side
    681,449.69x = 353,157,582,312.50
  5. Step 5: Solve for x
    x = 353,157,582,312.50/681,449.69
  6. Step 6: Final answer
    x = 518,244.54

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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.