Home / 681,035.87-939,835.83-375,113.36

Finding the Fourth Proportional to 681,035.87, 939,835.83 and 375,113.36

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Solution

The fourth proportional to 681,035.87, 939,835.83 and 375,113.36 is: 517,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,035.87 : 939,835.83 = 375,113.36 : x
  2. Step 2: Convert to fraction form
    681,035.87/939,835.83 = 375,113.36/x
  3. Step 3: Cross multiply
    681,035.87x = 939,835.83 × 375,113.36
  4. Step 4: Simplify right side
    681,035.87x = 352,544,971,340.51
  5. Step 5: Solve for x
    x = 352,544,971,340.51/681,035.87
  6. Step 6: Final answer
    x = 517,659.92

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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.