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Finding the Fourth Proportional to 580,099.26, 870,172.22 and 276,337.26

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Solution

The fourth proportional to 580,099.26, 870,172.22 and 276,337.26 is: 414,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,099.26 : 870,172.22 = 276,337.26 : x
  2. Step 2: Convert to fraction form
    580,099.26/870,172.22 = 276,337.26/x
  3. Step 3: Cross multiply
    580,099.26x = 870,172.22 × 276,337.26
  4. Step 4: Simplify right side
    580,099.26x = 240,461,005,621.23
  5. Step 5: Solve for x
    x = 240,461,005,621.23/580,099.26
  6. Step 6: Final answer
    x = 414,517.00

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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.