Home / 854,046.91-1,281,203.21-285,251.95

Finding the Fourth Proportional to 854,046.91, 1,281,203.21 and 285,251.95

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Solution

The fourth proportional to 854,046.91, 1,281,203.21 and 285,251.95 is: 427,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,046.91 : 1,281,203.21 = 285,251.95 : x
  2. Step 2: Convert to fraction form
    854,046.91/1,281,203.21 = 285,251.95/x
  3. Step 3: Cross multiply
    854,046.91x = 1,281,203.21 × 285,251.95
  4. Step 4: Simplify right side
    854,046.91x = 365,465,713,998.76
  5. Step 5: Solve for x
    x = 365,465,713,998.76/854,046.91
  6. Step 6: Final answer
    x = 427,922.30

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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.