Home / 850,844.20-1,276,266.30-472,930.60

Finding the Fourth Proportional to 850,844.20, 1,276,266.30 and 472,930.60

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Solution

The fourth proportional to 850,844.20, 1,276,266.30 and 472,930.60 is: 709,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,844.20 : 1,276,266.30 = 472,930.60 : x
  2. Step 2: Convert to fraction form
    850,844.20/1,276,266.30 = 472,930.60/x
  3. Step 3: Cross multiply
    850,844.20x = 1,276,266.30 × 472,930.60
  4. Step 4: Simplify right side
    850,844.20x = 603,585,387,018.78
  5. Step 5: Solve for x
    x = 603,585,387,018.78/850,844.20
  6. Step 6: Final answer
    x = 709,395.90

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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.