Home / 814,861.20-1,222,291.80-604,909.20

Finding the Fourth Proportional to 814,861.20, 1,222,291.80 and 604,909.20

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Solution

The fourth proportional to 814,861.20, 1,222,291.80 and 604,909.20 is: 907,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,861.20 : 1,222,291.80 = 604,909.20 : x
  2. Step 2: Convert to fraction form
    814,861.20/1,222,291.80 = 604,909.20/x
  3. Step 3: Cross multiply
    814,861.20x = 1,222,291.80 × 604,909.20
  4. Step 4: Simplify right side
    814,861.20x = 739,375,554,904.56
  5. Step 5: Solve for x
    x = 739,375,554,904.56/814,861.20
  6. Step 6: Final answer
    x = 907,363.80

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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.