Home / 499,789.68-689,725.59-273,435.18

Finding the Fourth Proportional to 499,789.68, 689,725.59 and 273,435.18

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Solution

The fourth proportional to 499,789.68, 689,725.59 and 273,435.18 is: 377,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,789.68 : 689,725.59 = 273,435.18 : x
  2. Step 2: Convert to fraction form
    499,789.68/689,725.59 = 273,435.18/x
  3. Step 3: Cross multiply
    499,789.68x = 689,725.59 × 273,435.18
  4. Step 4: Simplify right side
    499,789.68x = 188,595,240,852.26
  5. Step 5: Solve for x
    x = 188,595,240,852.26/499,789.68
  6. Step 6: Final answer
    x = 377,349.21

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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.