Home / 809,304.80-1,213,820.84-296,864.24

Finding the Fourth Proportional to 809,304.80, 1,213,820.84 and 296,864.24

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Solution

The fourth proportional to 809,304.80, 1,213,820.84 and 296,864.24 is: 445,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,304.80 : 1,213,820.84 = 296,864.24 : x
  2. Step 2: Convert to fraction form
    809,304.80/1,213,820.84 = 296,864.24/x
  3. Step 3: Cross multiply
    809,304.80x = 1,213,820.84 × 296,864.24
  4. Step 4: Simplify right side
    809,304.80x = 360,340,001,162.76
  5. Step 5: Solve for x
    x = 360,340,001,162.76/809,304.80
  6. Step 6: Final answer
    x = 445,246.34

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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.