Home / 628,449.94-942,822.56-207,725.82

Finding the Fourth Proportional to 628,449.94, 942,822.56 and 207,725.82

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Solution

The fourth proportional to 628,449.94, 942,822.56 and 207,725.82 is: 311,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,449.94 : 942,822.56 = 207,725.82 : x
  2. Step 2: Convert to fraction form
    628,449.94/942,822.56 = 207,725.82/x
  3. Step 3: Cross multiply
    628,449.94x = 942,822.56 × 207,725.82
  4. Step 4: Simplify right side
    628,449.94x = 195,848,589,390.50
  5. Step 5: Solve for x
    x = 195,848,589,390.50/628,449.94
  6. Step 6: Final answer
    x = 311,637.53

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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.