Home / 672,679.28-1,009,287.74-273,351.31

Finding the Fourth Proportional to 672,679.28, 1,009,287.74 and 273,351.31

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Solution

The fourth proportional to 672,679.28, 1,009,287.74 and 273,351.31 is: 410,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,679.28 : 1,009,287.74 = 273,351.31 : x
  2. Step 2: Convert to fraction form
    672,679.28/1,009,287.74 = 273,351.31/x
  3. Step 3: Cross multiply
    672,679.28x = 1,009,287.74 × 273,351.31
  4. Step 4: Simplify right side
    672,679.28x = 275,890,124,056.10
  5. Step 5: Solve for x
    x = 275,890,124,056.10/672,679.28
  6. Step 6: Final answer
    x = 410,136.20

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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.