Home / 628,488.25-942,787.94-179,199.47

Finding the Fourth Proportional to 628,488.25, 942,787.94 and 179,199.47

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Solution

The fourth proportional to 628,488.25, 942,787.94 and 179,199.47 is: 268,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,488.25 : 942,787.94 = 179,199.47 : x
  2. Step 2: Convert to fraction form
    628,488.25/942,787.94 = 179,199.47/x
  3. Step 3: Cross multiply
    628,488.25x = 942,787.94 × 179,199.47
  4. Step 4: Simplify right side
    628,488.25x = 168,947,100,631.36
  5. Step 5: Solve for x
    x = 168,947,100,631.36/628,488.25
  6. Step 6: Final answer
    x = 268,815.05

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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.