Home / 681,318.90-940,293.62-375,426.04

Finding the Fourth Proportional to 681,318.90, 940,293.62 and 375,426.04

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Solution

The fourth proportional to 681,318.90, 940,293.62 and 375,426.04 is: 518,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,318.90 : 940,293.62 = 375,426.04 : x
  2. Step 2: Convert to fraction form
    681,318.90/940,293.62 = 375,426.04/x
  3. Step 3: Cross multiply
    681,318.90x = 940,293.62 × 375,426.04
  4. Step 4: Simplify right side
    681,318.90x = 353,010,710,193.87
  5. Step 5: Solve for x
    x = 353,010,710,193.87/681,318.90
  6. Step 6: Final answer
    x = 518,128.46

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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.