Home / 628,448.25-942,819.96-207,724.08

Finding the Fourth Proportional to 628,448.25, 942,819.96 and 207,724.08

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Solution

The fourth proportional to 628,448.25, 942,819.96 and 207,724.08 is: 311,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,448.25 : 942,819.96 = 207,724.08 : x
  2. Step 2: Convert to fraction form
    628,448.25/942,819.96 = 207,724.08/x
  3. Step 3: Cross multiply
    628,448.25x = 942,819.96 × 207,724.08
  4. Step 4: Simplify right side
    628,448.25x = 195,846,408,796.64
  5. Step 5: Solve for x
    x = 195,846,408,796.64/628,448.25
  6. Step 6: Final answer
    x = 311,634.90

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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.