Home / 449,260.85-672,816.39-259,326.05

Finding the Fourth Proportional to 449,260.85, 672,816.39 and 259,326.05

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Solution

The fourth proportional to 449,260.85, 672,816.39 and 259,326.05 is: 388,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,260.85 : 672,816.39 = 259,326.05 : x
  2. Step 2: Convert to fraction form
    449,260.85/672,816.39 = 259,326.05/x
  3. Step 3: Cross multiply
    449,260.85x = 672,816.39 × 259,326.05
  4. Step 4: Simplify right side
    449,260.85x = 174,478,813,429.88
  5. Step 5: Solve for x
    x = 174,478,813,429.88/449,260.85
  6. Step 6: Final answer
    x = 388,368.62

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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.