Home / 804,754.73-1,207,127.31-205,714.93

Finding the Fourth Proportional to 804,754.73, 1,207,127.31 and 205,714.93

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Solution

The fourth proportional to 804,754.73, 1,207,127.31 and 205,714.93 is: 308,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,754.73 : 1,207,127.31 = 205,714.93 : x
  2. Step 2: Convert to fraction form
    804,754.73/1,207,127.31 = 205,714.93/x
  3. Step 3: Cross multiply
    804,754.73x = 1,207,127.31 × 205,714.93
  4. Step 4: Simplify right side
    804,754.73x = 248,324,110,077.74
  5. Step 5: Solve for x
    x = 248,324,110,077.74/804,754.73
  6. Step 6: Final answer
    x = 308,571.17

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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.