Home / 579,028.82-799,059.85-320,922.43

Finding the Fourth Proportional to 579,028.82, 799,059.85 and 320,922.43

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Solution

The fourth proportional to 579,028.82, 799,059.85 and 320,922.43 is: 442,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,028.82 : 799,059.85 = 320,922.43 : x
  2. Step 2: Convert to fraction form
    579,028.82/799,059.85 = 320,922.43/x
  3. Step 3: Cross multiply
    579,028.82x = 799,059.85 × 320,922.43
  4. Step 4: Simplify right side
    579,028.82x = 256,436,227,975.13
  5. Step 5: Solve for x
    x = 256,436,227,975.13/579,028.82
  6. Step 6: Final answer
    x = 442,873.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.