Home / 864,794.20-1,297,191.30-550,643.80

Finding the Fourth Proportional to 864,794.20, 1,297,191.30 and 550,643.80

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Solution

The fourth proportional to 864,794.20, 1,297,191.30 and 550,643.80 is: 825,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,794.20 : 1,297,191.30 = 550,643.80 : x
  2. Step 2: Convert to fraction form
    864,794.20/1,297,191.30 = 550,643.80/x
  3. Step 3: Cross multiply
    864,794.20x = 1,297,191.30 × 550,643.80
  4. Step 4: Simplify right side
    864,794.20x = 714,290,346,758.94
  5. Step 5: Solve for x
    x = 714,290,346,758.94/864,794.20
  6. Step 6: Final answer
    x = 825,965.70

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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.