Home / 499,587.42-689,436.10-273,228.06

Finding the Fourth Proportional to 499,587.42, 689,436.10 and 273,228.06

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Solution

The fourth proportional to 499,587.42, 689,436.10 and 273,228.06 is: 377,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,587.42 : 689,436.10 = 273,228.06 : x
  2. Step 2: Convert to fraction form
    499,587.42/689,436.10 = 273,228.06/x
  3. Step 3: Cross multiply
    499,587.42x = 689,436.10 × 273,228.06
  4. Step 4: Simplify right side
    499,587.42x = 188,373,288,096.97
  5. Step 5: Solve for x
    x = 188,373,288,096.97/499,587.42
  6. Step 6: Final answer
    x = 377,057.71

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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.