Home / 412,259.71-619,091.69-268,410.39

Finding the Fourth Proportional to 412,259.71, 619,091.69 and 268,410.39

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Solution

The fourth proportional to 412,259.71, 619,091.69 and 268,410.39 is: 403,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,259.71 : 619,091.69 = 268,410.39 : x
  2. Step 2: Convert to fraction form
    412,259.71/619,091.69 = 268,410.39/x
  3. Step 3: Cross multiply
    412,259.71x = 619,091.69 × 268,410.39
  4. Step 4: Simplify right side
    412,259.71x = 166,170,642,938.20
  5. Step 5: Solve for x
    x = 166,170,642,938.20/412,259.71
  6. Step 6: Final answer
    x = 403,072.72

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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.