Home / 628,449.44-942,821.81-207,725.32

Finding the Fourth Proportional to 628,449.44, 942,821.81 and 207,725.32

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Solution

The fourth proportional to 628,449.44, 942,821.81 and 207,725.32 is: 311,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,449.44 : 942,821.81 = 207,725.32 : x
  2. Step 2: Convert to fraction form
    628,449.44/942,821.81 = 207,725.32/x
  3. Step 3: Cross multiply
    628,449.44x = 942,821.81 × 207,725.32
  4. Step 4: Simplify right side
    628,449.44x = 195,847,956,432.49
  5. Step 5: Solve for x
    x = 195,847,956,432.49/628,449.44
  6. Step 6: Final answer
    x = 311,636.77

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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.