Home / 558,974.57-838,653.20-238,994.60

Finding the Fourth Proportional to 558,974.57, 838,653.20 and 238,994.60

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Solution

The fourth proportional to 558,974.57, 838,653.20 and 238,994.60 is: 358,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,974.57 : 838,653.20 = 238,994.60 : x
  2. Step 2: Convert to fraction form
    558,974.57/838,653.20 = 238,994.60/x
  3. Step 3: Cross multiply
    558,974.57x = 838,653.20 × 238,994.60
  4. Step 4: Simplify right side
    558,974.57x = 200,433,582,476.94
  5. Step 5: Solve for x
    x = 200,433,582,476.94/558,974.57
  6. Step 6: Final answer
    x = 358,573.71

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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.