Home / 558,876.57-838,439.37-203,890.56

Finding the Fourth Proportional to 558,876.57, 838,439.37 and 203,890.56

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Solution

The fourth proportional to 558,876.57, 838,439.37 and 203,890.56 is: 305,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,876.57 : 838,439.37 = 203,890.56 : x
  2. Step 2: Convert to fraction form
    558,876.57/838,439.37 = 203,890.56/x
  3. Step 3: Cross multiply
    558,876.57x = 838,439.37 × 203,890.56
  4. Step 4: Simplify right side
    558,876.57x = 170,949,872,675.35
  5. Step 5: Solve for x
    x = 170,949,872,675.35/558,876.57
  6. Step 6: Final answer
    x = 305,881.27

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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.