Home / 481,979.20-722,830.56-186,422.08

Finding the Fourth Proportional to 481,979.20, 722,830.56 and 186,422.08

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Solution

The fourth proportional to 481,979.20, 722,830.56 and 186,422.08 is: 279,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,979.20 : 722,830.56 = 186,422.08 : x
  2. Step 2: Convert to fraction form
    481,979.20/722,830.56 = 186,422.08/x
  3. Step 3: Cross multiply
    481,979.20x = 722,830.56 × 186,422.08
  4. Step 4: Simplify right side
    481,979.20x = 134,751,576,482.77
  5. Step 5: Solve for x
    x = 134,751,576,482.77/481,979.20
  6. Step 6: Final answer
    x = 279,579.65

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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.