Home / 939,604.46-1,408,716.56-299,540.03

Finding the Fourth Proportional to 939,604.46, 1,408,716.56 and 299,540.03

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Solution

The fourth proportional to 939,604.46, 1,408,716.56 and 299,540.03 is: 449,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,604.46 : 1,408,716.56 = 299,540.03 : x
  2. Step 2: Convert to fraction form
    939,604.46/1,408,716.56 = 299,540.03/x
  3. Step 3: Cross multiply
    939,604.46x = 1,408,716.56 × 299,540.03
  4. Step 4: Simplify right side
    939,604.46x = 421,966,994,349.16
  5. Step 5: Solve for x
    x = 421,966,994,349.16/939,604.46
  6. Step 6: Final answer
    x = 449,090.03

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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.