Home / 804,561.30-1,206,840.87-205,522.90

Finding the Fourth Proportional to 804,561.30, 1,206,840.87 and 205,522.90

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Solution

The fourth proportional to 804,561.30, 1,206,840.87 and 205,522.90 is: 308,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,561.30 : 1,206,840.87 = 205,522.90 : x
  2. Step 2: Convert to fraction form
    804,561.30/1,206,840.87 = 205,522.90/x
  3. Step 3: Cross multiply
    804,561.30x = 1,206,840.87 × 205,522.90
  4. Step 4: Simplify right side
    804,561.30x = 248,033,435,440.92
  5. Step 5: Solve for x
    x = 248,033,435,440.92/804,561.30
  6. Step 6: Final answer
    x = 308,284.07

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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.