Home / 892,606.40-1,338,909.60-331,524.80

Finding the Fourth Proportional to 892,606.40, 1,338,909.60 and 331,524.80

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Solution

The fourth proportional to 892,606.40, 1,338,909.60 and 331,524.80 is: 497,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,606.40 : 1,338,909.60 = 331,524.80 : x
  2. Step 2: Convert to fraction form
    892,606.40/1,338,909.60 = 331,524.80/x
  3. Step 3: Cross multiply
    892,606.40x = 1,338,909.60 × 331,524.80
  4. Step 4: Simplify right side
    892,606.40x = 443,881,737,358.08
  5. Step 5: Solve for x
    x = 443,881,737,358.08/892,606.40
  6. Step 6: Final answer
    x = 497,287.20

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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.