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Finding the Fourth Proportional to 681,452.29, 940,410.46 and 375,539.62

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Solution

The fourth proportional to 681,452.29, 940,410.46 and 375,539.62 is: 518,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,452.29 : 940,410.46 = 375,539.62 : x
  2. Step 2: Convert to fraction form
    681,452.29/940,410.46 = 375,539.62/x
  3. Step 3: Cross multiply
    681,452.29x = 940,410.46 × 375,539.62
  4. Step 4: Simplify right side
    681,452.29x = 353,161,386,792.43
  5. Step 5: Solve for x
    x = 353,161,386,792.43/681,452.29
  6. Step 6: Final answer
    x = 518,248.15

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1.5x scale

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.