Home / 994,710.60-1,491,701.40-320,968.80

Finding the Fourth Proportional to 994,710.60, 1,491,701.40 and 320,968.80

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Solution

The fourth proportional to 994,710.60, 1,491,701.40 and 320,968.80 is: 481,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,710.60 : 1,491,701.40 = 320,968.80 : x
  2. Step 2: Convert to fraction form
    994,710.60/1,491,701.40 = 320,968.80/x
  3. Step 3: Cross multiply
    994,710.60x = 1,491,701.40 × 320,968.80
  4. Step 4: Simplify right side
    994,710.60x = 478,789,608,316.32
  5. Step 5: Solve for x
    x = 478,789,608,316.32/994,710.60
  6. Step 6: Final answer
    x = 481,335.58

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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.