Home / 320,674.90-481,012.35-268,575.70

Finding the Fourth Proportional to 320,674.90, 481,012.35 and 268,575.70

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Solution

The fourth proportional to 320,674.90, 481,012.35 and 268,575.70 is: 402,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,674.90 : 481,012.35 = 268,575.70 : x
  2. Step 2: Convert to fraction form
    320,674.90/481,012.35 = 268,575.70/x
  3. Step 3: Cross multiply
    320,674.90x = 481,012.35 × 268,575.70
  4. Step 4: Simplify right side
    320,674.90x = 129,188,228,609.90
  5. Step 5: Solve for x
    x = 129,188,228,609.90/320,674.90
  6. Step 6: Final answer
    x = 402,863.55

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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.