Home / 479,927.68-720,022.76-210,006.74

Finding the Fourth Proportional to 479,927.68, 720,022.76 and 210,006.74

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Solution

The fourth proportional to 479,927.68, 720,022.76 and 210,006.74 is: 315,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,927.68 : 720,022.76 = 210,006.74 : x
  2. Step 2: Convert to fraction form
    479,927.68/720,022.76 = 210,006.74/x
  3. Step 3: Cross multiply
    479,927.68x = 720,022.76 × 210,006.74
  4. Step 4: Simplify right side
    479,927.68x = 151,209,632,553.40
  5. Step 5: Solve for x
    x = 151,209,632,553.40/479,927.68
  6. Step 6: Final answer
    x = 315,067.54

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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.