Home / 804,378.15-1,206,566.91-205,339.14

Finding the Fourth Proportional to 804,378.15, 1,206,566.91 and 205,339.14

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Solution

The fourth proportional to 804,378.15, 1,206,566.91 and 205,339.14 is: 308,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,378.15 : 1,206,566.91 = 205,339.14 : x
  2. Step 2: Convert to fraction form
    804,378.15/1,206,566.91 = 205,339.14/x
  3. Step 3: Cross multiply
    804,378.15x = 1,206,566.91 × 205,339.14
  4. Step 4: Simplify right side
    804,378.15x = 247,755,411,651.86
  5. Step 5: Solve for x
    x = 247,755,411,651.86/804,378.15
  6. Step 6: Final answer
    x = 308,008.63

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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.