Home / 499,892.20-689,842.02-273,533.16

Finding the Fourth Proportional to 499,892.20, 689,842.02 and 273,533.16

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Solution

The fourth proportional to 499,892.20, 689,842.02 and 273,533.16 is: 377,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,892.20 : 689,842.02 = 273,533.16 : x
  2. Step 2: Convert to fraction form
    499,892.20/689,842.02 = 273,533.16/x
  3. Step 3: Cross multiply
    499,892.20x = 689,842.02 × 273,533.16
  4. Step 4: Simplify right side
    499,892.20x = 188,694,667,631.38
  5. Step 5: Solve for x
    x = 188,694,667,631.38/499,892.20
  6. Step 6: Final answer
    x = 377,470.72

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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.