Home / 827,442.77-1,241,139.36-228,440.48

Finding the Fourth Proportional to 827,442.77, 1,241,139.36 and 228,440.48

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Solution

The fourth proportional to 827,442.77, 1,241,139.36 and 228,440.48 is: 342,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,442.77 : 1,241,139.36 = 228,440.48 : x
  2. Step 2: Convert to fraction form
    827,442.77/1,241,139.36 = 228,440.48/x
  3. Step 3: Cross multiply
    827,442.77x = 1,241,139.36 × 228,440.48
  4. Step 4: Simplify right side
    827,442.77x = 283,526,471,145.29
  5. Step 5: Solve for x
    x = 283,526,471,145.29/827,442.77
  6. Step 6: Final answer
    x = 342,653.87

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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.