Home / 670,254.78-1,005,456.06-196,977

Finding the Fourth Proportional to 670,254.78, 1,005,456.06 and 196,977

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Solution

The fourth proportional to 670,254.78, 1,005,456.06 and 196,977 is: 295,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,254.78 : 1,005,456.06 = 196,977 : x
  2. Step 2: Convert to fraction form
    670,254.78/1,005,456.06 = 196,977/x
  3. Step 3: Cross multiply
    670,254.78x = 1,005,456.06 × 196,977
  4. Step 4: Simplify right side
    670,254.78x = 198,051,718,330.62
  5. Step 5: Solve for x
    x = 198,051,718,330.62/670,254.78
  6. Step 6: Final answer
    x = 295,487.22

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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.