Home / 558,976.56-838,656.20-238,996.60

Finding the Fourth Proportional to 558,976.56, 838,656.20 and 238,996.60

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Solution

The fourth proportional to 558,976.56, 838,656.20 and 238,996.60 is: 358,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,976.56 : 838,656.20 = 238,996.60 : x
  2. Step 2: Convert to fraction form
    558,976.56/838,656.20 = 238,996.60/x
  3. Step 3: Cross multiply
    558,976.56x = 838,656.20 × 238,996.60
  4. Step 4: Simplify right side
    558,976.56x = 200,435,980,368.92
  5. Step 5: Solve for x
    x = 200,435,980,368.92/558,976.56
  6. Step 6: Final answer
    x = 358,576.72

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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.