Home / 821,735.01-1,232,882.76-442,694.63

Finding the Fourth Proportional to 821,735.01, 1,232,882.76 and 442,694.63

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Solution

The fourth proportional to 821,735.01, 1,232,882.76 and 442,694.63 is: 664,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,735.01 : 1,232,882.76 = 442,694.63 : x
  2. Step 2: Convert to fraction form
    821,735.01/1,232,882.76 = 442,694.63/x
  3. Step 3: Cross multiply
    821,735.01x = 1,232,882.76 × 442,694.63
  4. Step 4: Simplify right side
    821,735.01x = 545,790,582,741.84
  5. Step 5: Solve for x
    x = 545,790,582,741.84/821,735.01
  6. Step 6: Final answer
    x = 664,192.93

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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.