Home / 850,977.80-1,276,466.70-809,505.80

Finding the Fourth Proportional to 850,977.80, 1,276,466.70 and 809,505.80

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Solution

The fourth proportional to 850,977.80, 1,276,466.70 and 809,505.80 is: 1,214,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,977.80 : 1,276,466.70 = 809,505.80 : x
  2. Step 2: Convert to fraction form
    850,977.80/1,276,466.70 = 809,505.80/x
  3. Step 3: Cross multiply
    850,977.80x = 1,276,466.70 × 809,505.80
  4. Step 4: Simplify right side
    850,977.80x = 1,033,307,197,156.86
  5. Step 5: Solve for x
    x = 1,033,307,197,156.86/850,977.80
  6. Step 6: Final answer
    x = 1,214,258.70

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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.