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Finding the Fourth Proportional to 535,896.74, 739,518.37 and 303,318.70

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Solution

The fourth proportional to 535,896.74, 739,518.37 and 303,318.70 is: 418,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,896.74 : 739,518.37 = 303,318.70 : x
  2. Step 2: Convert to fraction form
    535,896.74/739,518.37 = 303,318.70/x
  3. Step 3: Cross multiply
    535,896.74x = 739,518.37 × 303,318.70
  4. Step 4: Simplify right side
    535,896.74x = 224,309,748,007.43
  5. Step 5: Solve for x
    x = 224,309,748,007.43/535,896.74
  6. Step 6: Final answer
    x = 418,568.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.