Home / 814,966.05-1,222,172.22-282,362.79

Finding the Fourth Proportional to 814,966.05, 1,222,172.22 and 282,362.79

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Solution

The fourth proportional to 814,966.05, 1,222,172.22 and 282,362.79 is: 423,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,966.05 : 1,222,172.22 = 282,362.79 : x
  2. Step 2: Convert to fraction form
    814,966.05/1,222,172.22 = 282,362.79/x
  3. Step 3: Cross multiply
    814,966.05x = 1,222,172.22 × 282,362.79
  4. Step 4: Simplify right side
    814,966.05x = 345,095,957,899.69
  5. Step 5: Solve for x
    x = 345,095,957,899.69/814,966.05
  6. Step 6: Final answer
    x = 423,448.26

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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.