Home / 839,263.85-1,259,020.82-299,478.03

Finding the Fourth Proportional to 839,263.85, 1,259,020.82 and 299,478.03

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Solution

The fourth proportional to 839,263.85, 1,259,020.82 and 299,478.03 is: 449,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,263.85 : 1,259,020.82 = 299,478.03 : x
  2. Step 2: Convert to fraction form
    839,263.85/1,259,020.82 = 299,478.03/x
  3. Step 3: Cross multiply
    839,263.85x = 1,259,020.82 × 299,478.03
  4. Step 4: Simplify right side
    839,263.85x = 377,049,074,902.59
  5. Step 5: Solve for x
    x = 377,049,074,902.59/839,263.85
  6. Step 6: Final answer
    x = 449,261.67

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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.