Home / 470,575.25-649,481.33-269,371.25

Finding the Fourth Proportional to 470,575.25, 649,481.33 and 269,371.25

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Solution

The fourth proportional to 470,575.25, 649,481.33 and 269,371.25 is: 371,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,575.25 : 649,481.33 = 269,371.25 : x
  2. Step 2: Convert to fraction form
    470,575.25/649,481.33 = 269,371.25/x
  3. Step 3: Cross multiply
    470,575.25x = 649,481.33 × 269,371.25
  4. Step 4: Simplify right side
    470,575.25x = 174,951,597,713.76
  5. Step 5: Solve for x
    x = 174,951,597,713.76/470,575.25
  6. Step 6: Final answer
    x = 371,782.40

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1.5x scale

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.