Home / 499,359.72-689,116.24-273,005.20

Finding the Fourth Proportional to 499,359.72, 689,116.24 and 273,005.20

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Solution

The fourth proportional to 499,359.72, 689,116.24 and 273,005.20 is: 376,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,359.72 : 689,116.24 = 273,005.20 : x
  2. Step 2: Convert to fraction form
    499,359.72/689,116.24 = 273,005.20/x
  3. Step 3: Cross multiply
    499,359.72x = 689,116.24 × 273,005.20
  4. Step 4: Simplify right side
    499,359.72x = 188,132,316,924.45
  5. Step 5: Solve for x
    x = 188,132,316,924.45/499,359.72
  6. Step 6: Final answer
    x = 376,747.08

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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.