Home / 821,364.76-1,229,049.73-484,566.76

Finding the Fourth Proportional to 821,364.76, 1,229,049.73 and 484,566.76

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Solution

The fourth proportional to 821,364.76, 1,229,049.73 and 484,566.76 is: 725,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,364.76 : 1,229,049.73 = 484,566.76 : x
  2. Step 2: Convert to fraction form
    821,364.76/1,229,049.73 = 484,566.76/x
  3. Step 3: Cross multiply
    821,364.76x = 1,229,049.73 × 484,566.76
  4. Step 4: Simplify right side
    821,364.76x = 595,556,645,544.98
  5. Step 5: Solve for x
    x = 595,556,645,544.98/821,364.76
  6. Step 6: Final answer
    x = 725,081.81

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1.5x scale

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.