Home / 637,388.60-879,579.20-350,910.83

Finding the Fourth Proportional to 637,388.60, 879,579.20 and 350,910.83

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Solution

The fourth proportional to 637,388.60, 879,579.20 and 350,910.83 is: 484,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,388.60 : 879,579.20 = 350,910.83 : x
  2. Step 2: Convert to fraction form
    637,388.60/879,579.20 = 350,910.83/x
  3. Step 3: Cross multiply
    637,388.60x = 879,579.20 × 350,910.83
  4. Step 4: Simplify right side
    637,388.60x = 308,653,870,198.96
  5. Step 5: Solve for x
    x = 308,653,870,198.96/637,388.60
  6. Step 6: Final answer
    x = 484,247.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.