Home / 648,282.72-894,692.33-361,829.46

Finding the Fourth Proportional to 648,282.72, 894,692.33 and 361,829.46

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Solution

The fourth proportional to 648,282.72, 894,692.33 and 361,829.46 is: 499,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,282.72 : 894,692.33 = 361,829.46 : x
  2. Step 2: Convert to fraction form
    648,282.72/894,692.33 = 361,829.46/x
  3. Step 3: Cross multiply
    648,282.72x = 894,692.33 × 361,829.46
  4. Step 4: Simplify right side
    648,282.72x = 323,726,042,630.04
  5. Step 5: Solve for x
    x = 323,726,042,630.04/648,282.72
  6. Step 6: Final answer
    x = 499,359.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.