Home / 936,876-1,405,352.88-272,028

Finding the Fourth Proportional to 936,876, 1,405,352.88 and 272,028

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Solution

The fourth proportional to 936,876, 1,405,352.88 and 272,028 is: 408,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,876 : 1,405,352.88 = 272,028 : x
  2. Step 2: Convert to fraction form
    936,876/1,405,352.88 = 272,028/x
  3. Step 3: Cross multiply
    936,876x = 1,405,352.88 × 272,028
  4. Step 4: Simplify right side
    936,876x = 382,295,333,240.64
  5. Step 5: Solve for x
    x = 382,295,333,240.64/936,876
  6. Step 6: Final answer
    x = 408,053.29

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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.