Home / 463,487.75-639,677.90-334,842.44

Finding the Fourth Proportional to 463,487.75, 639,677.90 and 334,842.44

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Solution

The fourth proportional to 463,487.75, 639,677.90 and 334,842.44 is: 462,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,487.75 : 639,677.90 = 334,842.44 : x
  2. Step 2: Convert to fraction form
    463,487.75/639,677.90 = 334,842.44/x
  3. Step 3: Cross multiply
    463,487.75x = 639,677.90 × 334,842.44
  4. Step 4: Simplify right side
    463,487.75x = 214,191,309,145.24
  5. Step 5: Solve for x
    x = 214,191,309,145.24/463,487.75
  6. Step 6: Final answer
    x = 462,129.38

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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.