Home / 558,992.20-838,412.70-222,280.60

Finding the Fourth Proportional to 558,992.20, 838,412.70 and 222,280.60

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Solution

The fourth proportional to 558,992.20, 838,412.70 and 222,280.60 is: 333,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,992.20 : 838,412.70 = 222,280.60 : x
  2. Step 2: Convert to fraction form
    558,992.20/838,412.70 = 222,280.60/x
  3. Step 3: Cross multiply
    558,992.20x = 838,412.70 × 222,280.60
  4. Step 4: Simplify right side
    558,992.20x = 186,362,878,003.62
  5. Step 5: Solve for x
    x = 186,362,878,003.62/558,992.20
  6. Step 6: Final answer
    x = 333,390.84

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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.