Home / 722,749.23-1,085,116.91-368,001.63

Finding the Fourth Proportional to 722,749.23, 1,085,116.91 and 368,001.63

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Solution

The fourth proportional to 722,749.23, 1,085,116.91 and 368,001.63 is: 552,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,749.23 : 1,085,116.91 = 368,001.63 : x
  2. Step 2: Convert to fraction form
    722,749.23/1,085,116.91 = 368,001.63/x
  3. Step 3: Cross multiply
    722,749.23x = 1,085,116.91 × 368,001.63
  4. Step 4: Simplify right side
    722,749.23x = 399,324,789,780.56
  5. Step 5: Solve for x
    x = 399,324,789,780.56/722,749.23
  6. Step 6: Final answer
    x = 552,508.08

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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.