Home / 825,362.58-1,238,222.04-256,732.86

Finding the Fourth Proportional to 825,362.58, 1,238,222.04 and 256,732.86

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Solution

The fourth proportional to 825,362.58, 1,238,222.04 and 256,732.86 is: 385,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,362.58 : 1,238,222.04 = 256,732.86 : x
  2. Step 2: Convert to fraction form
    825,362.58/1,238,222.04 = 256,732.86/x
  3. Step 3: Cross multiply
    825,362.58x = 1,238,222.04 × 256,732.86
  4. Step 4: Simplify right side
    825,362.58x = 317,892,285,644.23
  5. Step 5: Solve for x
    x = 317,892,285,644.23/825,362.58
  6. Step 6: Final answer
    x = 385,154.71

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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.