Home / 439,053.78-658,570.14-202,396.35

Finding the Fourth Proportional to 439,053.78, 658,570.14 and 202,396.35

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Solution

The fourth proportional to 439,053.78, 658,570.14 and 202,396.35 is: 303,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,053.78 : 658,570.14 = 202,396.35 : x
  2. Step 2: Convert to fraction form
    439,053.78/658,570.14 = 202,396.35/x
  3. Step 3: Cross multiply
    439,053.78x = 658,570.14 × 202,396.35
  4. Step 4: Simplify right side
    439,053.78x = 133,292,192,554.99
  5. Step 5: Solve for x
    x = 133,292,192,554.99/439,053.78
  6. Step 6: Final answer
    x = 303,589.67

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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.