Home / 558,920.93-838,395.17-203,934.89

Finding the Fourth Proportional to 558,920.93, 838,395.17 and 203,934.89

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Solution

The fourth proportional to 558,920.93, 838,395.17 and 203,934.89 is: 305,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,920.93 : 838,395.17 = 203,934.89 : x
  2. Step 2: Convert to fraction form
    558,920.93/838,395.17 = 203,934.89/x
  3. Step 3: Cross multiply
    558,920.93x = 838,395.17 × 203,934.89
  4. Step 4: Simplify right side
    558,920.93x = 170,978,029,376.31
  5. Step 5: Solve for x
    x = 170,978,029,376.31/558,920.93
  6. Step 6: Final answer
    x = 305,907.36

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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.