Home / 787,338.63-1,179,116.24-449,354.61

Finding the Fourth Proportional to 787,338.63, 1,179,116.24 and 449,354.61

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Solution

The fourth proportional to 787,338.63, 1,179,116.24 and 449,354.61 is: 672,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,338.63 : 1,179,116.24 = 449,354.61 : x
  2. Step 2: Convert to fraction form
    787,338.63/1,179,116.24 = 449,354.61/x
  3. Step 3: Cross multiply
    787,338.63x = 1,179,116.24 × 449,354.61
  4. Step 4: Simplify right side
    787,338.63x = 529,841,315,923.09
  5. Step 5: Solve for x
    x = 529,841,315,923.09/787,338.63
  6. Step 6: Final answer
    x = 672,952.27

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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.