Home / 761,538.56-1,142,364.48-229,016.96

Finding the Fourth Proportional to 761,538.56, 1,142,364.48 and 229,016.96

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Solution

The fourth proportional to 761,538.56, 1,142,364.48 and 229,016.96 is: 343,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,538.56 : 1,142,364.48 = 229,016.96 : x
  2. Step 2: Convert to fraction form
    761,538.56/1,142,364.48 = 229,016.96/x
  3. Step 3: Cross multiply
    761,538.56x = 1,142,364.48 × 229,016.96
  4. Step 4: Simplify right side
    761,538.56x = 261,620,840,421.58
  5. Step 5: Solve for x
    x = 261,620,840,421.58/761,538.56
  6. Step 6: Final answer
    x = 343,542.47

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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.