Home / 480,784.44-720,979.83-214,362.75

Finding the Fourth Proportional to 480,784.44, 720,979.83 and 214,362.75

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Solution

The fourth proportional to 480,784.44, 720,979.83 and 214,362.75 is: 321,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,784.44 : 720,979.83 = 214,362.75 : x
  2. Step 2: Convert to fraction form
    480,784.44/720,979.83 = 214,362.75/x
  3. Step 3: Cross multiply
    480,784.44x = 720,979.83 × 214,362.75
  4. Step 4: Simplify right side
    480,784.44x = 154,551,219,053.33
  5. Step 5: Solve for x
    x = 154,551,219,053.33/480,784.44
  6. Step 6: Final answer
    x = 321,456.37

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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.