Home / 448,961.40-673,442.10-412,219.80

Finding the Fourth Proportional to 448,961.40, 673,442.10 and 412,219.80

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Solution

The fourth proportional to 448,961.40, 673,442.10 and 412,219.80 is: 618,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,961.40 : 673,442.10 = 412,219.80 : x
  2. Step 2: Convert to fraction form
    448,961.40/673,442.10 = 412,219.80/x
  3. Step 3: Cross multiply
    448,961.40x = 673,442.10 × 412,219.80
  4. Step 4: Simplify right side
    448,961.40x = 277,606,167,773.58
  5. Step 5: Solve for x
    x = 277,606,167,773.58/448,961.40
  6. Step 6: Final answer
    x = 618,329.70

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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.