Home / 804,984.92-1,207,468.86-205,941.32

Finding the Fourth Proportional to 804,984.92, 1,207,468.86 and 205,941.32

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Solution

The fourth proportional to 804,984.92, 1,207,468.86 and 205,941.32 is: 308,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,984.92 : 1,207,468.86 = 205,941.32 : x
  2. Step 2: Convert to fraction form
    804,984.92/1,207,468.86 = 205,941.32/x
  3. Step 3: Cross multiply
    804,984.92x = 1,207,468.86 × 205,941.32
  4. Step 4: Simplify right side
    804,984.92x = 248,667,728,605.68
  5. Step 5: Solve for x
    x = 248,667,728,605.68/804,984.92
  6. Step 6: Final answer
    x = 308,909.80

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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.