Home / 859,911.66-1,289,896.56-228,826.08

Finding the Fourth Proportional to 859,911.66, 1,289,896.56 and 228,826.08

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Solution

The fourth proportional to 859,911.66, 1,289,896.56 and 228,826.08 is: 343,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,911.66 : 1,289,896.56 = 228,826.08 : x
  2. Step 2: Convert to fraction form
    859,911.66/1,289,896.56 = 228,826.08/x
  3. Step 3: Cross multiply
    859,911.66x = 1,289,896.56 × 228,826.08
  4. Step 4: Simplify right side
    859,911.66x = 295,161,973,430.29
  5. Step 5: Solve for x
    x = 295,161,973,430.29/859,911.66
  6. Step 6: Final answer
    x = 343,246.86

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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.