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Finding the Fourth Proportional to 576,324.04, 863,886.64 and 239,548

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Solution

The fourth proportional to 576,324.04, 863,886.64 and 239,548 is: 359,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,324.04 : 863,886.64 = 239,548 : x
  2. Step 2: Convert to fraction form
    576,324.04/863,886.64 = 239,548/x
  3. Step 3: Cross multiply
    576,324.04x = 863,886.64 × 239,548
  4. Step 4: Simplify right side
    576,324.04x = 206,942,316,838.72
  5. Step 5: Solve for x
    x = 206,942,316,838.72/576,324.04
  6. Step 6: Final answer
    x = 359,072.85

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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.