Home / 489,214.20-733,821.30-347,496.60

Finding the Fourth Proportional to 489,214.20, 733,821.30 and 347,496.60

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Solution

The fourth proportional to 489,214.20, 733,821.30 and 347,496.60 is: 521,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,214.20 : 733,821.30 = 347,496.60 : x
  2. Step 2: Convert to fraction form
    489,214.20/733,821.30 = 347,496.60/x
  3. Step 3: Cross multiply
    489,214.20x = 733,821.30 × 347,496.60
  4. Step 4: Simplify right side
    489,214.20x = 255,000,406,757.58
  5. Step 5: Solve for x
    x = 255,000,406,757.58/489,214.20
  6. Step 6: Final answer
    x = 521,244.90

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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.