Home / 804,538.19-1,206,818.28-205,504.31

Finding the Fourth Proportional to 804,538.19, 1,206,818.28 and 205,504.31

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Solution

The fourth proportional to 804,538.19, 1,206,818.28 and 205,504.31 is: 308,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,538.19 : 1,206,818.28 = 205,504.31 : x
  2. Step 2: Convert to fraction form
    804,538.19/1,206,818.28 = 205,504.31/x
  3. Step 3: Cross multiply
    804,538.19x = 1,206,818.28 × 205,504.31
  4. Step 4: Simplify right side
    804,538.19x = 248,006,351,892.70
  5. Step 5: Solve for x
    x = 248,006,351,892.70/804,538.19
  6. Step 6: Final answer
    x = 308,259.27

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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.