Home / 940,414.29-1,298,168.97-634,904.49

Finding the Fourth Proportional to 940,414.29, 1,298,168.97 and 634,904.49

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Solution

The fourth proportional to 940,414.29, 1,298,168.97 and 634,904.49 is: 876,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,414.29 : 1,298,168.97 = 634,904.49 : x
  2. Step 2: Convert to fraction form
    940,414.29/1,298,168.97 = 634,904.49/x
  3. Step 3: Cross multiply
    940,414.29x = 1,298,168.97 × 634,904.49
  4. Step 4: Simplify right side
    940,414.29x = 824,213,307,831.68
  5. Step 5: Solve for x
    x = 824,213,307,831.68/940,414.29
  6. Step 6: Final answer
    x = 876,436.39

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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.