Home / 558,814.45-838,346.68-203,828.47

Finding the Fourth Proportional to 558,814.45, 838,346.68 and 203,828.47

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Solution

The fourth proportional to 558,814.45, 838,346.68 and 203,828.47 is: 305,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,814.45 : 838,346.68 = 203,828.47 : x
  2. Step 2: Convert to fraction form
    558,814.45/838,346.68 = 203,828.47/x
  3. Step 3: Cross multiply
    558,814.45x = 838,346.68 × 203,828.47
  4. Step 4: Simplify right side
    558,814.45x = 170,878,922,618.38
  5. Step 5: Solve for x
    x = 170,878,922,618.38/558,814.45
  6. Step 6: Final answer
    x = 305,788.30

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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.