Home / 427,606.83-641,596.28-268,048.44

Finding the Fourth Proportional to 427,606.83, 641,596.28 and 268,048.44

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Solution

The fourth proportional to 427,606.83, 641,596.28 and 268,048.44 is: 402,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,606.83 : 641,596.28 = 268,048.44 : x
  2. Step 2: Convert to fraction form
    427,606.83/641,596.28 = 268,048.44/x
  3. Step 3: Cross multiply
    427,606.83x = 641,596.28 × 268,048.44
  4. Step 4: Simplify right side
    427,606.83x = 171,978,880,623.56
  5. Step 5: Solve for x
    x = 171,978,880,623.56/427,606.83
  6. Step 6: Final answer
    x = 402,189.27

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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.