Home / 499,739.27-689,656.49-273,384.77

Finding the Fourth Proportional to 499,739.27, 689,656.49 and 273,384.77

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Solution

The fourth proportional to 499,739.27, 689,656.49 and 273,384.77 is: 377,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,739.27 : 689,656.49 = 273,384.77 : x
  2. Step 2: Convert to fraction form
    499,739.27/689,656.49 = 273,384.77/x
  3. Step 3: Cross multiply
    499,739.27x = 689,656.49 × 273,384.77
  4. Step 4: Simplify right side
    499,739.27x = 188,541,576,082.45
  5. Step 5: Solve for x
    x = 188,541,576,082.45/499,739.27
  6. Step 6: Final answer
    x = 377,279.89

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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.