Home / 324,664.10-486,996.15-265,615.10

Finding the Fourth Proportional to 324,664.10, 486,996.15 and 265,615.10

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Solution

The fourth proportional to 324,664.10, 486,996.15 and 265,615.10 is: 398,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,664.10 : 486,996.15 = 265,615.10 : x
  2. Step 2: Convert to fraction form
    324,664.10/486,996.15 = 265,615.10/x
  3. Step 3: Cross multiply
    324,664.10x = 486,996.15 × 265,615.10
  4. Step 4: Simplify right side
    324,664.10x = 129,353,531,081.87
  5. Step 5: Solve for x
    x = 129,353,531,081.87/324,664.10
  6. Step 6: Final answer
    x = 398,422.65

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1.5x scale

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.