Home / 558,965.61-838,449.43-203,897.05

Finding the Fourth Proportional to 558,965.61, 838,449.43 and 203,897.05

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Solution

The fourth proportional to 558,965.61, 838,449.43 and 203,897.05 is: 305,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,965.61 : 838,449.43 = 203,897.05 : x
  2. Step 2: Convert to fraction form
    558,965.61/838,449.43 = 203,897.05/x
  3. Step 3: Cross multiply
    558,965.61x = 838,449.43 × 203,897.05
  4. Step 4: Simplify right side
    558,965.61x = 170,957,362,745.32
  5. Step 5: Solve for x
    x = 170,957,362,745.32/558,965.61
  6. Step 6: Final answer
    x = 305,845.94

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Double scale
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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.