Home / 558,811.71-838,342.58-203,825.75

Finding the Fourth Proportional to 558,811.71, 838,342.58 and 203,825.75

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Solution

The fourth proportional to 558,811.71, 838,342.58 and 203,825.75 is: 305,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,811.71 : 838,342.58 = 203,825.75 : x
  2. Step 2: Convert to fraction form
    558,811.71/838,342.58 = 203,825.75/x
  3. Step 3: Cross multiply
    558,811.71x = 838,342.58 × 203,825.75
  4. Step 4: Simplify right side
    558,811.71x = 170,875,799,914.59
  5. Step 5: Solve for x
    x = 170,875,799,914.59/558,811.71
  6. Step 6: Final answer
    x = 305,784.21

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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.