Home / 681,574.23-940,569.37-371,476.29

Finding the Fourth Proportional to 681,574.23, 940,569.37 and 371,476.29

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Solution

The fourth proportional to 681,574.23, 940,569.37 and 371,476.29 is: 512,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,574.23 : 940,569.37 = 371,476.29 : x
  2. Step 2: Convert to fraction form
    681,574.23/940,569.37 = 371,476.29/x
  3. Step 3: Cross multiply
    681,574.23x = 940,569.37 × 371,476.29
  4. Step 4: Simplify right side
    681,574.23x = 349,399,222,653.68
  5. Step 5: Solve for x
    x = 349,399,222,653.68/681,574.23
  6. Step 6: Final answer
    x = 512,635.61

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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.