Home / 850,530.70-1,272,843.60-779,671.90

Finding the Fourth Proportional to 850,530.70, 1,272,843.60 and 779,671.90

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Solution

The fourth proportional to 850,530.70, 1,272,843.60 and 779,671.90 is: 1,166,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,530.70 : 1,272,843.60 = 779,671.90 : x
  2. Step 2: Convert to fraction form
    850,530.70/1,272,843.60 = 779,671.90/x
  3. Step 3: Cross multiply
    850,530.70x = 1,272,843.60 × 779,671.90
  4. Step 4: Simplify right side
    850,530.70x = 992,400,388,014.84
  5. Step 5: Solve for x
    x = 992,400,388,014.84/850,530.70
  6. Step 6: Final answer
    x = 1,166,801.37

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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.