Home / 850,538.70-1,272,855.60-779,679.90

Finding the Fourth Proportional to 850,538.70, 1,272,855.60 and 779,679.90

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Solution

The fourth proportional to 850,538.70, 1,272,855.60 and 779,679.90 is: 1,166,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,538.70 : 1,272,855.60 = 779,679.90 : x
  2. Step 2: Convert to fraction form
    850,538.70/1,272,855.60 = 779,679.90/x
  3. Step 3: Cross multiply
    850,538.70x = 1,272,855.60 × 779,679.90
  4. Step 4: Simplify right side
    850,538.70x = 992,419,926,922.44
  5. Step 5: Solve for x
    x = 992,419,926,922.44/850,538.70
  6. Step 6: Final answer
    x = 1,166,813.37

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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.