Home / 448,577.09-672,311.58-384,949.97

Finding the Fourth Proportional to 448,577.09, 672,311.58 and 384,949.97

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Solution

The fourth proportional to 448,577.09, 672,311.58 and 384,949.97 is: 576,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,577.09 : 672,311.58 = 384,949.97 : x
  2. Step 2: Convert to fraction form
    448,577.09/672,311.58 = 384,949.97/x
  3. Step 3: Cross multiply
    448,577.09x = 672,311.58 × 384,949.97
  4. Step 4: Simplify right side
    448,577.09x = 258,806,320,267.70
  5. Step 5: Solve for x
    x = 258,806,320,267.70/448,577.09
  6. Step 6: Final answer
    x = 576,949.48

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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.