Home / 804,557.30-1,206,834.87-205,518.90

Finding the Fourth Proportional to 804,557.30, 1,206,834.87 and 205,518.90

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Solution

The fourth proportional to 804,557.30, 1,206,834.87 and 205,518.90 is: 308,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,557.30 : 1,206,834.87 = 205,518.90 : x
  2. Step 2: Convert to fraction form
    804,557.30/1,206,834.87 = 205,518.90/x
  3. Step 3: Cross multiply
    804,557.30x = 1,206,834.87 × 205,518.90
  4. Step 4: Simplify right side
    804,557.30x = 248,027,374,964.04
  5. Step 5: Solve for x
    x = 248,027,374,964.04/804,557.30
  6. Step 6: Final answer
    x = 308,278.07

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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.