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Finding the Fourth Proportional to 554,179.71, 764,768.12 and 299,530.11

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Solution

The fourth proportional to 554,179.71, 764,768.12 and 299,530.11 is: 413,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,179.71 : 764,768.12 = 299,530.11 : x
  2. Step 2: Convert to fraction form
    554,179.71/764,768.12 = 299,530.11/x
  3. Step 3: Cross multiply
    554,179.71x = 764,768.12 × 299,530.11
  4. Step 4: Simplify right side
    554,179.71x = 229,071,077,610.44
  5. Step 5: Solve for x
    x = 229,071,077,610.44/554,179.71
  6. Step 6: Final answer
    x = 413,351.61

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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.