Home / 672,680.28-1,009,289.24-273,352.31

Finding the Fourth Proportional to 672,680.28, 1,009,289.24 and 273,352.31

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Solution

The fourth proportional to 672,680.28, 1,009,289.24 and 273,352.31 is: 410,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,680.28 : 1,009,289.24 = 273,352.31 : x
  2. Step 2: Convert to fraction form
    672,680.28/1,009,289.24 = 273,352.31/x
  3. Step 3: Cross multiply
    672,680.28x = 1,009,289.24 × 273,352.31
  4. Step 4: Simplify right side
    672,680.28x = 275,891,545,212.14
  5. Step 5: Solve for x
    x = 275,891,545,212.14/672,680.28
  6. Step 6: Final answer
    x = 410,137.70

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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.