Home / 804,902.82-1,207,410.10-272,243.78

Finding the Fourth Proportional to 804,902.82, 1,207,410.10 and 272,243.78

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Solution

The fourth proportional to 804,902.82, 1,207,410.10 and 272,243.78 is: 408,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,902.82 : 1,207,410.10 = 272,243.78 : x
  2. Step 2: Convert to fraction form
    804,902.82/1,207,410.10 = 272,243.78/x
  3. Step 3: Cross multiply
    804,902.82x = 1,207,410.10 × 272,243.78
  4. Step 4: Simplify right side
    804,902.82x = 328,709,889,634.18
  5. Step 5: Solve for x
    x = 328,709,889,634.18/804,902.82
  6. Step 6: Final answer
    x = 408,384.57

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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.