Home / 938,788.36-1,407,620.08-298,815.76

Finding the Fourth Proportional to 938,788.36, 1,407,620.08 and 298,815.76

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Solution

The fourth proportional to 938,788.36, 1,407,620.08 and 298,815.76 is: 448,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,788.36 : 1,407,620.08 = 298,815.76 : x
  2. Step 2: Convert to fraction form
    938,788.36/1,407,620.08 = 298,815.76/x
  3. Step 3: Cross multiply
    938,788.36x = 1,407,620.08 × 298,815.76
  4. Step 4: Simplify right side
    938,788.36x = 420,619,063,996.46
  5. Step 5: Solve for x
    x = 420,619,063,996.46/938,788.36
  6. Step 6: Final answer
    x = 448,044.61

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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.