Home / 499,180.08-689,436.78-335,552.49

Finding the Fourth Proportional to 499,180.08, 689,436.78 and 335,552.49

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Solution

The fourth proportional to 499,180.08, 689,436.78 and 335,552.49 is: 463,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,180.08 : 689,436.78 = 335,552.49 : x
  2. Step 2: Convert to fraction form
    499,180.08/689,436.78 = 335,552.49/x
  3. Step 3: Cross multiply
    499,180.08x = 689,436.78 × 335,552.49
  4. Step 4: Simplify right side
    499,180.08x = 231,342,228,226.58
  5. Step 5: Solve for x
    x = 231,342,228,226.58/499,180.08
  6. Step 6: Final answer
    x = 463,444.43

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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.