Home / 939,469.80-1,408,919.58-265,497.96

Finding the Fourth Proportional to 939,469.80, 1,408,919.58 and 265,497.96

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Solution

The fourth proportional to 939,469.80, 1,408,919.58 and 265,497.96 is: 398,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,469.80 : 1,408,919.58 = 265,497.96 : x
  2. Step 2: Convert to fraction form
    939,469.80/1,408,919.58 = 265,497.96/x
  3. Step 3: Cross multiply
    939,469.80x = 1,408,919.58 × 265,497.96
  4. Step 4: Simplify right side
    939,469.80x = 374,065,274,294.06
  5. Step 5: Solve for x
    x = 374,065,274,294.06/939,469.80
  6. Step 6: Final answer
    x = 398,166.36

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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.