Home / 804,535.78-1,206,802.62-205,497.40

Finding the Fourth Proportional to 804,535.78, 1,206,802.62 and 205,497.40

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Solution

The fourth proportional to 804,535.78, 1,206,802.62 and 205,497.40 is: 308,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,535.78 : 1,206,802.62 = 205,497.40 : x
  2. Step 2: Convert to fraction form
    804,535.78/1,206,802.62 = 205,497.40/x
  3. Step 3: Cross multiply
    804,535.78x = 1,206,802.62 × 205,497.40
  4. Step 4: Simplify right side
    804,535.78x = 247,994,800,723.19
  5. Step 5: Solve for x
    x = 247,994,800,723.19/804,535.78
  6. Step 6: Final answer
    x = 308,245.83

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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.