Home / 807,829.20-1,211,743.80-275,302.80

Finding the Fourth Proportional to 807,829.20, 1,211,743.80 and 275,302.80

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Solution

The fourth proportional to 807,829.20, 1,211,743.80 and 275,302.80 is: 412,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,829.20 : 1,211,743.80 = 275,302.80 : x
  2. Step 2: Convert to fraction form
    807,829.20/1,211,743.80 = 275,302.80/x
  3. Step 3: Cross multiply
    807,829.20x = 1,211,743.80 × 275,302.80
  4. Step 4: Simplify right side
    807,829.20x = 333,596,461,022.64
  5. Step 5: Solve for x
    x = 333,596,461,022.64/807,829.20
  6. Step 6: Final answer
    x = 412,954.20

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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.