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Finding the Fourth Proportional to 528,508.56, 792,663.60 and 244,187.28

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Solution

The fourth proportional to 528,508.56, 792,663.60 and 244,187.28 is: 366,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,508.56 : 792,663.60 = 244,187.28 : x
  2. Step 2: Convert to fraction form
    528,508.56/792,663.60 = 244,187.28/x
  3. Step 3: Cross multiply
    528,508.56x = 792,663.60 × 244,187.28
  4. Step 4: Simplify right side
    528,508.56x = 193,558,368,439.01
  5. Step 5: Solve for x
    x = 193,558,368,439.01/528,508.56
  6. Step 6: Final answer
    x = 366,235.07

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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.