Home / 994,828.60-1,491,878.40-321,086.80

Finding the Fourth Proportional to 994,828.60, 1,491,878.40 and 321,086.80

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Solution

The fourth proportional to 994,828.60, 1,491,878.40 and 321,086.80 is: 481,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,828.60 : 1,491,878.40 = 321,086.80 : x
  2. Step 2: Convert to fraction form
    994,828.60/1,491,878.40 = 321,086.80/x
  3. Step 3: Cross multiply
    994,828.60x = 1,491,878.40 × 321,086.80
  4. Step 4: Simplify right side
    994,828.60x = 479,022,461,445.12
  5. Step 5: Solve for x
    x = 479,022,461,445.12/994,828.60
  6. Step 6: Final answer
    x = 481,512.56

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1.5x scale

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.