Home / 804,972.69-1,207,446.72-205,928.78

Finding the Fourth Proportional to 804,972.69, 1,207,446.72 and 205,928.78

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Solution

The fourth proportional to 804,972.69, 1,207,446.72 and 205,928.78 is: 308,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,972.69 : 1,207,446.72 = 205,928.78 : x
  2. Step 2: Convert to fraction form
    804,972.69/1,207,446.72 = 205,928.78/x
  3. Step 3: Cross multiply
    804,972.69x = 1,207,446.72 × 205,928.78
  4. Step 4: Simplify right side
    804,972.69x = 248,648,029,964.60
  5. Step 5: Solve for x
    x = 248,648,029,964.60/804,972.69
  6. Step 6: Final answer
    x = 308,890.02

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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.