Home / 488,835.06-673,885.92-343,197.46

Finding the Fourth Proportional to 488,835.06, 673,885.92 and 343,197.46

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Solution

The fourth proportional to 488,835.06, 673,885.92 and 343,197.46 is: 473,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,835.06 : 673,885.92 = 343,197.46 : x
  2. Step 2: Convert to fraction form
    488,835.06/673,885.92 = 343,197.46/x
  3. Step 3: Cross multiply
    488,835.06x = 673,885.92 × 343,197.46
  4. Step 4: Simplify right side
    488,835.06x = 231,275,936,073.76
  5. Step 5: Solve for x
    x = 231,275,936,073.76/488,835.06
  6. Step 6: Final answer
    x = 473,116.51

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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.