Home / 811,965.26-1,218,064.59-251,043.50

Finding the Fourth Proportional to 811,965.26, 1,218,064.59 and 251,043.50

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Solution

The fourth proportional to 811,965.26, 1,218,064.59 and 251,043.50 is: 376,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,965.26 : 1,218,064.59 = 251,043.50 : x
  2. Step 2: Convert to fraction form
    811,965.26/1,218,064.59 = 251,043.50/x
  3. Step 3: Cross multiply
    811,965.26x = 1,218,064.59 × 251,043.50
  4. Step 4: Simplify right side
    811,965.26x = 305,787,197,899.67
  5. Step 5: Solve for x
    x = 305,787,197,899.67/811,965.26
  6. Step 6: Final answer
    x = 376,601.33

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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.