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Finding the Fourth Proportional to 559,059.20, 838,243.20 and 322,284.80

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Solution

The fourth proportional to 559,059.20, 838,243.20 and 322,284.80 is: 483,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,059.20 : 838,243.20 = 322,284.80 : x
  2. Step 2: Convert to fraction form
    559,059.20/838,243.20 = 322,284.80/x
  3. Step 3: Cross multiply
    559,059.20x = 838,243.20 × 322,284.80
  4. Step 4: Simplify right side
    559,059.20x = 270,153,042,063.36
  5. Step 5: Solve for x
    x = 270,153,042,063.36/559,059.20
  6. Step 6: Final answer
    x = 483,227.97

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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.