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Finding the Fourth Proportional to 528,469.87, 792,803.22 and 240,302.09

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Solution

The fourth proportional to 528,469.87, 792,803.22 and 240,302.09 is: 360,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,469.87 : 792,803.22 = 240,302.09 : x
  2. Step 2: Convert to fraction form
    528,469.87/792,803.22 = 240,302.09/x
  3. Step 3: Cross multiply
    528,469.87x = 792,803.22 × 240,302.09
  4. Step 4: Simplify right side
    528,469.87x = 190,512,272,481.46
  5. Step 5: Solve for x
    x = 190,512,272,481.46/528,469.87
  6. Step 6: Final answer
    x = 360,497.89

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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.