Home / 783,005.22-1,081,067.76-601,392.48

Finding the Fourth Proportional to 783,005.22, 1,081,067.76 and 601,392.48

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Solution

The fourth proportional to 783,005.22, 1,081,067.76 and 601,392.48 is: 830,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,005.22 : 1,081,067.76 = 601,392.48 : x
  2. Step 2: Convert to fraction form
    783,005.22/1,081,067.76 = 601,392.48/x
  3. Step 3: Cross multiply
    783,005.22x = 1,081,067.76 × 601,392.48
  4. Step 4: Simplify right side
    783,005.22x = 650,146,021,234.45
  5. Step 5: Solve for x
    x = 650,146,021,234.45/783,005.22
  6. Step 6: Final answer
    x = 830,321.44

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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.