Home / 842,625.38-1,262,837.28-387,051.41

Finding the Fourth Proportional to 842,625.38, 1,262,837.28 and 387,051.41

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Solution

The fourth proportional to 842,625.38, 1,262,837.28 and 387,051.41 is: 580,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,625.38 : 1,262,837.28 = 387,051.41 : x
  2. Step 2: Convert to fraction form
    842,625.38/1,262,837.28 = 387,051.41/x
  3. Step 3: Cross multiply
    842,625.38x = 1,262,837.28 × 387,051.41
  4. Step 4: Simplify right side
    842,625.38x = 488,782,954,433.10
  5. Step 5: Solve for x
    x = 488,782,954,433.10/842,625.38
  6. Step 6: Final answer
    x = 580,071.48

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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.