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Finding the Fourth Proportional to 580,811.06, 801,491.10 and 322,704.29

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Solution

The fourth proportional to 580,811.06, 801,491.10 and 322,704.29 is: 445,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,811.06 : 801,491.10 = 322,704.29 : x
  2. Step 2: Convert to fraction form
    580,811.06/801,491.10 = 322,704.29/x
  3. Step 3: Cross multiply
    580,811.06x = 801,491.10 × 322,704.29
  4. Step 4: Simplify right side
    580,811.06x = 258,644,616,366.82
  5. Step 5: Solve for x
    x = 258,644,616,366.82/580,811.06
  6. Step 6: Final answer
    x = 445,316.27

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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.