Home / 379,060.17-522,676.57-309,933.96

Finding the Fourth Proportional to 379,060.17, 522,676.57 and 309,933.96

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Solution

The fourth proportional to 379,060.17, 522,676.57 and 309,933.96 is: 427,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,060.17 : 522,676.57 = 309,933.96 : x
  2. Step 2: Convert to fraction form
    379,060.17/522,676.57 = 309,933.96/x
  3. Step 3: Cross multiply
    379,060.17x = 522,676.57 × 309,933.96
  4. Step 4: Simplify right side
    379,060.17x = 161,995,220,797.32
  5. Step 5: Solve for x
    x = 161,995,220,797.32/379,060.17
  6. Step 6: Final answer
    x = 427,360.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.