Home / 769,479.28-1,154,276.90-229,692.90

Finding the Fourth Proportional to 769,479.28, 1,154,276.90 and 229,692.90

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Solution

The fourth proportional to 769,479.28, 1,154,276.90 and 229,692.90 is: 344,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,479.28 : 1,154,276.90 = 229,692.90 : x
  2. Step 2: Convert to fraction form
    769,479.28/1,154,276.90 = 229,692.90/x
  3. Step 3: Cross multiply
    769,479.28x = 1,154,276.90 × 229,692.90
  4. Step 4: Simplify right side
    769,479.28x = 265,129,208,564.01
  5. Step 5: Solve for x
    x = 265,129,208,564.01/769,479.28
  6. Step 6: Final answer
    x = 344,556.66

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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.