Home / 681,842.60-940,899.45-375,902.27

Finding the Fourth Proportional to 681,842.60, 940,899.45 and 375,902.27

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Solution

The fourth proportional to 681,842.60, 940,899.45 and 375,902.27 is: 518,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,842.60 : 940,899.45 = 375,902.27 : x
  2. Step 2: Convert to fraction form
    681,842.60/940,899.45 = 375,902.27/x
  3. Step 3: Cross multiply
    681,842.60x = 940,899.45 × 375,902.27
  4. Step 4: Simplify right side
    681,842.60x = 353,686,239,096.75
  5. Step 5: Solve for x
    x = 353,686,239,096.75/681,842.60
  6. Step 6: Final answer
    x = 518,721.24

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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.