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Finding the Fourth Proportional to 576,156.88, 795,096.52 and 318,033.88

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Solution

The fourth proportional to 576,156.88, 795,096.52 and 318,033.88 is: 438,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,156.88 : 795,096.52 = 318,033.88 : x
  2. Step 2: Convert to fraction form
    576,156.88/795,096.52 = 318,033.88/x
  3. Step 3: Cross multiply
    576,156.88x = 795,096.52 × 318,033.88
  4. Step 4: Simplify right side
    576,156.88x = 252,867,631,230.10
  5. Step 5: Solve for x
    x = 252,867,631,230.10/576,156.88
  6. Step 6: Final answer
    x = 438,886.77

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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.