Home / 499,269.24-688,991.64-269,825.77

Finding the Fourth Proportional to 499,269.24, 688,991.64 and 269,825.77

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Solution

The fourth proportional to 499,269.24, 688,991.64 and 269,825.77 is: 372,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,269.24 : 688,991.64 = 269,825.77 : x
  2. Step 2: Convert to fraction form
    499,269.24/688,991.64 = 269,825.77/x
  3. Step 3: Cross multiply
    499,269.24x = 688,991.64 × 269,825.77
  4. Step 4: Simplify right side
    499,269.24x = 185,907,699,635.96
  5. Step 5: Solve for x
    x = 185,907,699,635.96/499,269.24
  6. Step 6: Final answer
    x = 372,359.61

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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.