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Finding the Fourth Proportional to 576,960.17, 864,748.71 and 268,796.48

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Solution

The fourth proportional to 576,960.17, 864,748.71 and 268,796.48 is: 402,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,960.17 : 864,748.71 = 268,796.48 : x
  2. Step 2: Convert to fraction form
    576,960.17/864,748.71 = 268,796.48/x
  3. Step 3: Cross multiply
    576,960.17x = 864,748.71 × 268,796.48
  4. Step 4: Simplify right side
    576,960.17x = 232,441,405,008.80
  5. Step 5: Solve for x
    x = 232,441,405,008.80/576,960.17
  6. Step 6: Final answer
    x = 402,872.54

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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.