Home / 499,909.04-689,874.52-273,554.56

Finding the Fourth Proportional to 499,909.04, 689,874.52 and 273,554.56

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Solution

The fourth proportional to 499,909.04, 689,874.52 and 273,554.56 is: 377,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,909.04 : 689,874.52 = 273,554.56 : x
  2. Step 2: Convert to fraction form
    499,909.04/689,874.52 = 273,554.56/x
  3. Step 3: Cross multiply
    499,909.04x = 689,874.52 × 273,554.56
  4. Step 4: Simplify right side
    499,909.04x = 188,718,320,773.81
  5. Step 5: Solve for x
    x = 188,718,320,773.81/499,909.04
  6. Step 6: Final answer
    x = 377,505.32

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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.