Home / 499,960.32-689,943.04-273,605.12

Finding the Fourth Proportional to 499,960.32, 689,943.04 and 273,605.12

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Solution

The fourth proportional to 499,960.32, 689,943.04 and 273,605.12 is: 377,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,960.32 : 689,943.04 = 273,605.12 : x
  2. Step 2: Convert to fraction form
    499,960.32/689,943.04 = 273,605.12/x
  3. Step 3: Cross multiply
    499,960.32x = 689,943.04 × 273,605.12
  4. Step 4: Simplify right side
    499,960.32x = 188,771,948,252.37
  5. Step 5: Solve for x
    x = 188,771,948,252.37/499,960.32
  6. Step 6: Final answer
    x = 377,573.86

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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.