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Finding the Fourth Proportional to 524,578.32, 787,654.80 and 300,192.12

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Solution

The fourth proportional to 524,578.32, 787,654.80 and 300,192.12 is: 450,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,578.32 : 787,654.80 = 300,192.12 : x
  2. Step 2: Convert to fraction form
    524,578.32/787,654.80 = 300,192.12/x
  3. Step 3: Cross multiply
    524,578.32x = 787,654.80 × 300,192.12
  4. Step 4: Simplify right side
    524,578.32x = 236,447,764,240.18
  5. Step 5: Solve for x
    x = 236,447,764,240.18/524,578.32
  6. Step 6: Final answer
    x = 450,738.73

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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.