Home / 499,528.32-689,348.70-273,173.76

Finding the Fourth Proportional to 499,528.32, 689,348.70 and 273,173.76

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Solution

The fourth proportional to 499,528.32, 689,348.70 and 273,173.76 is: 376,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,528.32 : 689,348.70 = 273,173.76 : x
  2. Step 2: Convert to fraction form
    499,528.32/689,348.70 = 273,173.76/x
  3. Step 3: Cross multiply
    499,528.32x = 689,348.70 × 273,173.76
  4. Step 4: Simplify right side
    499,528.32x = 188,311,976,330.11
  5. Step 5: Solve for x
    x = 188,311,976,330.11/499,528.32
  6. Step 6: Final answer
    x = 376,979.58

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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.