Home / 681,709.27-940,716.53-375,769.84

Finding the Fourth Proportional to 681,709.27, 940,716.53 and 375,769.84

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Solution

The fourth proportional to 681,709.27, 940,716.53 and 375,769.84 is: 518,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,709.27 : 940,716.53 = 375,769.84 : x
  2. Step 2: Convert to fraction form
    681,709.27/940,716.53 = 375,769.84/x
  3. Step 3: Cross multiply
    681,709.27x = 940,716.53 × 375,769.84
  4. Step 4: Simplify right side
    681,709.27x = 353,492,898,551.09
  5. Step 5: Solve for x
    x = 353,492,898,551.09/681,709.27
  6. Step 6: Final answer
    x = 518,539.08

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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.