Home / 681,281.59-940,191.03-375,370.51

Finding the Fourth Proportional to 681,281.59, 940,191.03 and 375,370.51

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Solution

The fourth proportional to 681,281.59, 940,191.03 and 375,370.51 is: 518,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,281.59 : 940,191.03 = 375,370.51 : x
  2. Step 2: Convert to fraction form
    681,281.59/940,191.03 = 375,370.51/x
  3. Step 3: Cross multiply
    681,281.59x = 940,191.03 × 375,370.51
  4. Step 4: Simplify right side
    681,281.59x = 352,919,986,428.53
  5. Step 5: Solve for x
    x = 352,919,986,428.53/681,281.59
  6. Step 6: Final answer
    x = 518,023.67

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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.