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Finding the Fourth Proportional to 580,060.39, 800,471.30 and 321,922.35

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Solution

The fourth proportional to 580,060.39, 800,471.30 and 321,922.35 is: 444,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,060.39 : 800,471.30 = 321,922.35 : x
  2. Step 2: Convert to fraction form
    580,060.39/800,471.30 = 321,922.35/x
  3. Step 3: Cross multiply
    580,060.39x = 800,471.30 × 321,922.35
  4. Step 4: Simplify right side
    580,060.39x = 257,689,600,393.94
  5. Step 5: Solve for x
    x = 257,689,600,393.94/580,060.39
  6. Step 6: Final answer
    x = 444,246.16

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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.