Home / 448,043.10-672,064.65-444,932.70

Finding the Fourth Proportional to 448,043.10, 672,064.65 and 444,932.70

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Solution

The fourth proportional to 448,043.10, 672,064.65 and 444,932.70 is: 667,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,043.10 : 672,064.65 = 444,932.70 : x
  2. Step 2: Convert to fraction form
    448,043.10/672,064.65 = 444,932.70/x
  3. Step 3: Cross multiply
    448,043.10x = 672,064.65 × 444,932.70
  4. Step 4: Simplify right side
    448,043.10x = 299,023,539,299.06
  5. Step 5: Solve for x
    x = 299,023,539,299.06/448,043.10
  6. Step 6: Final answer
    x = 667,399.05

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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.