Home / 681,048.51-1,019,954.34-343,025.79

Finding the Fourth Proportional to 681,048.51, 1,019,954.34 and 343,025.79

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Solution

The fourth proportional to 681,048.51, 1,019,954.34 and 343,025.79 is: 513,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,048.51 : 1,019,954.34 = 343,025.79 : x
  2. Step 2: Convert to fraction form
    681,048.51/1,019,954.34 = 343,025.79/x
  3. Step 3: Cross multiply
    681,048.51x = 1,019,954.34 × 343,025.79
  4. Step 4: Simplify right side
    681,048.51x = 349,870,643,242.43
  5. Step 5: Solve for x
    x = 349,870,643,242.43/681,048.51
  6. Step 6: Final answer
    x = 513,723.53

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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.