Home / 825,325.92-1,237,882.77-319,540.14

Finding the Fourth Proportional to 825,325.92, 1,237,882.77 and 319,540.14

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Solution

The fourth proportional to 825,325.92, 1,237,882.77 and 319,540.14 is: 479,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,325.92 : 1,237,882.77 = 319,540.14 : x
  2. Step 2: Convert to fraction form
    825,325.92/1,237,882.77 = 319,540.14/x
  3. Step 3: Cross multiply
    825,325.92x = 1,237,882.77 × 319,540.14
  4. Step 4: Simplify right side
    825,325.92x = 395,553,233,629.39
  5. Step 5: Solve for x
    x = 395,553,233,629.39/825,325.92
  6. Step 6: Final answer
    x = 479,269.13

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1.5x scale

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.