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Finding the Fourth Proportional to 576,299.88, 795,293.37 and 318,177.18

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Solution

The fourth proportional to 576,299.88, 795,293.37 and 318,177.18 is: 439,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,299.88 : 795,293.37 = 318,177.18 : x
  2. Step 2: Convert to fraction form
    576,299.88/795,293.37 = 318,177.18/x
  3. Step 3: Cross multiply
    576,299.88x = 795,293.37 × 318,177.18
  4. Step 4: Simplify right side
    576,299.88x = 253,044,201,739.30
  5. Step 5: Solve for x
    x = 253,044,201,739.30/576,299.88
  6. Step 6: Final answer
    x = 439,084.25

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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.