Home / 988,132.88-1,481,070.24-448,800.44

Finding the Fourth Proportional to 988,132.88, 1,481,070.24 and 448,800.44

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Solution

The fourth proportional to 988,132.88, 1,481,070.24 and 448,800.44 is: 672,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,132.88 : 1,481,070.24 = 448,800.44 : x
  2. Step 2: Convert to fraction form
    988,132.88/1,481,070.24 = 448,800.44/x
  3. Step 3: Cross multiply
    988,132.88x = 1,481,070.24 × 448,800.44
  4. Step 4: Simplify right side
    988,132.88x = 664,704,975,382.91
  5. Step 5: Solve for x
    x = 664,704,975,382.91/988,132.88
  6. Step 6: Final answer
    x = 672,687.84

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1.5x scale

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.