Home / 804,548.28-1,206,821.37-205,509.90

Finding the Fourth Proportional to 804,548.28, 1,206,821.37 and 205,509.90

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Solution

The fourth proportional to 804,548.28, 1,206,821.37 and 205,509.90 is: 308,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,548.28 : 1,206,821.37 = 205,509.90 : x
  2. Step 2: Convert to fraction form
    804,548.28/1,206,821.37 = 205,509.90/x
  3. Step 3: Cross multiply
    804,548.28x = 1,206,821.37 × 205,509.90
  4. Step 4: Simplify right side
    804,548.28x = 248,013,739,066.56
  5. Step 5: Solve for x
    x = 248,013,739,066.56/804,548.28
  6. Step 6: Final answer
    x = 308,264.58

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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.