Home / 873,523.12-1,310,321.94-304,961.44

Finding the Fourth Proportional to 873,523.12, 1,310,321.94 and 304,961.44

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Solution

The fourth proportional to 873,523.12, 1,310,321.94 and 304,961.44 is: 457,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,523.12 : 1,310,321.94 = 304,961.44 : x
  2. Step 2: Convert to fraction form
    873,523.12/1,310,321.94 = 304,961.44/x
  3. Step 3: Cross multiply
    873,523.12x = 1,310,321.94 × 304,961.44
  4. Step 4: Simplify right side
    873,523.12x = 399,597,665,685.99
  5. Step 5: Solve for x
    x = 399,597,665,685.99/873,523.12
  6. Step 6: Final answer
    x = 457,455.17

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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.