Home / 499,542.08-689,159-327,501.36

Finding the Fourth Proportional to 499,542.08, 689,159 and 327,501.36

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Solution

The fourth proportional to 499,542.08, 689,159 and 327,501.36 is: 451,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,542.08 : 689,159 = 327,501.36 : x
  2. Step 2: Convert to fraction form
    499,542.08/689,159 = 327,501.36/x
  3. Step 3: Cross multiply
    499,542.08x = 689,159 × 327,501.36
  4. Step 4: Simplify right side
    499,542.08x = 225,700,509,756.24
  5. Step 5: Solve for x
    x = 225,700,509,756.24/499,542.08
  6. Step 6: Final answer
    x = 451,814.81

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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.