Home / 761,692.28-1,142,542.53-229,209.73

Finding the Fourth Proportional to 761,692.28, 1,142,542.53 and 229,209.73

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Solution

The fourth proportional to 761,692.28, 1,142,542.53 and 229,209.73 is: 343,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,692.28 : 1,142,542.53 = 229,209.73 : x
  2. Step 2: Convert to fraction form
    761,692.28/1,142,542.53 = 229,209.73/x
  3. Step 3: Cross multiply
    761,692.28x = 1,142,542.53 × 229,209.73
  4. Step 4: Simplify right side
    761,692.28x = 261,881,864,814.82
  5. Step 5: Solve for x
    x = 261,881,864,814.82/761,692.28
  6. Step 6: Final answer
    x = 343,815.83

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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.