Home / 882,220.80-1,324,022.40-408,964.80

Finding the Fourth Proportional to 882,220.80, 1,324,022.40 and 408,964.80

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Solution

The fourth proportional to 882,220.80, 1,324,022.40 and 408,964.80 is: 613,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,220.80 : 1,324,022.40 = 408,964.80 : x
  2. Step 2: Convert to fraction form
    882,220.80/1,324,022.40 = 408,964.80/x
  3. Step 3: Cross multiply
    882,220.80x = 1,324,022.40 × 408,964.80
  4. Step 4: Simplify right side
    882,220.80x = 541,478,556,011.52
  5. Step 5: Solve for x
    x = 541,478,556,011.52/882,220.80
  6. Step 6: Final answer
    x = 613,767.61

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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.