Home / 850,465.40-1,275,237.30-351,879.80

Finding the Fourth Proportional to 850,465.40, 1,275,237.30 and 351,879.80

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Solution

The fourth proportional to 850,465.40, 1,275,237.30 and 351,879.80 is: 527,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,465.40 : 1,275,237.30 = 351,879.80 : x
  2. Step 2: Convert to fraction form
    850,465.40/1,275,237.30 = 351,879.80/x
  3. Step 3: Cross multiply
    850,465.40x = 1,275,237.30 × 351,879.80
  4. Step 4: Simplify right side
    850,465.40x = 448,730,246,076.54
  5. Step 5: Solve for x
    x = 448,730,246,076.54/850,465.40
  6. Step 6: Final answer
    x = 527,629.04

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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.