Home / 445,122.68-666,983.79-344,167.34

Finding the Fourth Proportional to 445,122.68, 666,983.79 and 344,167.34

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Solution

The fourth proportional to 445,122.68, 666,983.79 and 344,167.34 is: 515,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,122.68 : 666,983.79 = 344,167.34 : x
  2. Step 2: Convert to fraction form
    445,122.68/666,983.79 = 344,167.34/x
  3. Step 3: Cross multiply
    445,122.68x = 666,983.79 × 344,167.34
  4. Step 4: Simplify right side
    445,122.68x = 229,554,033,492.50
  5. Step 5: Solve for x
    x = 229,554,033,492.50/445,122.68
  6. Step 6: Final answer
    x = 515,709.59

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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.