Home / 866,382.21-1,299,249.72-297,601.83

Finding the Fourth Proportional to 866,382.21, 1,299,249.72 and 297,601.83

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Solution

The fourth proportional to 866,382.21, 1,299,249.72 and 297,601.83 is: 446,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,382.21 : 1,299,249.72 = 297,601.83 : x
  2. Step 2: Convert to fraction form
    866,382.21/1,299,249.72 = 297,601.83/x
  3. Step 3: Cross multiply
    866,382.21x = 1,299,249.72 × 297,601.83
  4. Step 4: Simplify right side
    866,382.21x = 386,659,094,298.99
  5. Step 5: Solve for x
    x = 386,659,094,298.99/866,382.21
  6. Step 6: Final answer
    x = 446,291.59

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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.