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Finding the Fourth Proportional to 582,905.35, 874,379.63 and 203,751.91

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Solution

The fourth proportional to 582,905.35, 874,379.63 and 203,751.91 is: 305,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,905.35 : 874,379.63 = 203,751.91 : x
  2. Step 2: Convert to fraction form
    582,905.35/874,379.63 = 203,751.91/x
  3. Step 3: Cross multiply
    582,905.35x = 874,379.63 × 203,751.91
  4. Step 4: Simplify right side
    582,905.35x = 178,156,519,677.59
  5. Step 5: Solve for x
    x = 178,156,519,677.59/582,905.35
  6. Step 6: Final answer
    x = 305,635.42

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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.