Home / 839,115.18-1,258,174.89-333,404.82

Finding the Fourth Proportional to 839,115.18, 1,258,174.89 and 333,404.82

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Solution

The fourth proportional to 839,115.18, 1,258,174.89 and 333,404.82 is: 499,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,115.18 : 1,258,174.89 = 333,404.82 : x
  2. Step 2: Convert to fraction form
    839,115.18/1,258,174.89 = 333,404.82/x
  3. Step 3: Cross multiply
    839,115.18x = 1,258,174.89 × 333,404.82
  4. Step 4: Simplify right side
    839,115.18x = 419,481,572,728.97
  5. Step 5: Solve for x
    x = 419,481,572,728.97/839,115.18
  6. Step 6: Final answer
    x = 499,909.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.