Home / 761,635.20-1,142,222.52-229,014.84

Finding the Fourth Proportional to 761,635.20, 1,142,222.52 and 229,014.84

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Solution

The fourth proportional to 761,635.20, 1,142,222.52 and 229,014.84 is: 343,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,635.20 : 1,142,222.52 = 229,014.84 : x
  2. Step 2: Convert to fraction form
    761,635.20/1,142,222.52 = 229,014.84/x
  3. Step 3: Cross multiply
    761,635.20x = 1,142,222.52 × 229,014.84
  4. Step 4: Simplify right side
    761,635.20x = 261,585,907,662.20
  5. Step 5: Solve for x
    x = 261,585,907,662.20/761,635.20
  6. Step 6: Final answer
    x = 343,453.02

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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.