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Finding the Fourth Proportional to 893,311.16, 1,339,178.88 and 331,952

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Solution

The fourth proportional to 893,311.16, 1,339,178.88 and 331,952 is: 497,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,311.16 : 1,339,178.88 = 331,952 : x
  2. Step 2: Convert to fraction form
    893,311.16/1,339,178.88 = 331,952/x
  3. Step 3: Cross multiply
    893,311.16x = 1,339,178.88 × 331,952
  4. Step 4: Simplify right side
    893,311.16x = 444,543,107,573.76
  5. Step 5: Solve for x
    x = 444,543,107,573.76/893,311.16
  6. Step 6: Final answer
    x = 497,635.23

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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.