Home / 670,360.05-1,005,326.78-220,997.16

Finding the Fourth Proportional to 670,360.05, 1,005,326.78 and 220,997.16

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Solution

The fourth proportional to 670,360.05, 1,005,326.78 and 220,997.16 is: 331,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,360.05 : 1,005,326.78 = 220,997.16 : x
  2. Step 2: Convert to fraction form
    670,360.05/1,005,326.78 = 220,997.16/x
  3. Step 3: Cross multiply
    670,360.05x = 1,005,326.78 × 220,997.16
  4. Step 4: Simplify right side
    670,360.05x = 222,174,362,146.96
  5. Step 5: Solve for x
    x = 222,174,362,146.96/670,360.05
  6. Step 6: Final answer
    x = 331,425.42

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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.