Home / 939,033.68-1,408,662.23-299,112.66

Finding the Fourth Proportional to 939,033.68, 1,408,662.23 and 299,112.66

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Solution

The fourth proportional to 939,033.68, 1,408,662.23 and 299,112.66 is: 448,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,033.68 : 1,408,662.23 = 299,112.66 : x
  2. Step 2: Convert to fraction form
    939,033.68/1,408,662.23 = 299,112.66/x
  3. Step 3: Cross multiply
    939,033.68x = 1,408,662.23 × 299,112.66
  4. Step 4: Simplify right side
    939,033.68x = 421,348,705,161.27
  5. Step 5: Solve for x
    x = 421,348,705,161.27/939,033.68
  6. Step 6: Final answer
    x = 448,704.57

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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.