Home / 499,742.64-689,661.14-273,388.14

Finding the Fourth Proportional to 499,742.64, 689,661.14 and 273,388.14

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Solution

The fourth proportional to 499,742.64, 689,661.14 and 273,388.14 is: 377,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,742.64 : 689,661.14 = 273,388.14 : x
  2. Step 2: Convert to fraction form
    499,742.64/689,661.14 = 273,388.14/x
  3. Step 3: Cross multiply
    499,742.64x = 689,661.14 × 273,388.14
  4. Step 4: Simplify right side
    499,742.64x = 188,545,176,978.35
  5. Step 5: Solve for x
    x = 188,545,176,978.35/499,742.64
  6. Step 6: Final answer
    x = 377,284.55

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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.