Home / 681,048.11-1,021,217.24-254,232.87

Finding the Fourth Proportional to 681,048.11, 1,021,217.24 and 254,232.87

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Solution

The fourth proportional to 681,048.11, 1,021,217.24 and 254,232.87 is: 381,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,048.11 : 1,021,217.24 = 254,232.87 : x
  2. Step 2: Convert to fraction form
    681,048.11/1,021,217.24 = 254,232.87/x
  3. Step 3: Cross multiply
    681,048.11x = 1,021,217.24 × 254,232.87
  4. Step 4: Simplify right side
    681,048.11x = 259,626,988,547.51
  5. Step 5: Solve for x
    x = 259,626,988,547.51/681,048.11
  6. Step 6: Final answer
    x = 381,216.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.