Home / 798,876.51-1,195,989.25-418,896.19

Finding the Fourth Proportional to 798,876.51, 1,195,989.25 and 418,896.19

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Solution

The fourth proportional to 798,876.51, 1,195,989.25 and 418,896.19 is: 627,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,876.51 : 1,195,989.25 = 418,896.19 : x
  2. Step 2: Convert to fraction form
    798,876.51/1,195,989.25 = 418,896.19/x
  3. Step 3: Cross multiply
    798,876.51x = 1,195,989.25 × 418,896.19
  4. Step 4: Simplify right side
    798,876.51x = 500,995,338,011.48
  5. Step 5: Solve for x
    x = 500,995,338,011.48/798,876.51
  6. Step 6: Final answer
    x = 627,124.89

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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.