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Finding the Fourth Proportional to 400,953.87, 599,768.69 and 305,461.55

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Solution

The fourth proportional to 400,953.87, 599,768.69 and 305,461.55 is: 456,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,953.87 : 599,768.69 = 305,461.55 : x
  2. Step 2: Convert to fraction form
    400,953.87/599,768.69 = 305,461.55/x
  3. Step 3: Cross multiply
    400,953.87x = 599,768.69 × 305,461.55
  4. Step 4: Simplify right side
    400,953.87x = 183,206,273,660.98
  5. Step 5: Solve for x
    x = 183,206,273,660.98/400,953.87
  6. Step 6: Final answer
    x = 456,926.06

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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.