Home / 850,589.76-1,173,025.40-620,783.04

Finding the Fourth Proportional to 850,589.76, 1,173,025.40 and 620,783.04

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Solution

The fourth proportional to 850,589.76, 1,173,025.40 and 620,783.04 is: 856,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,589.76 : 1,173,025.40 = 620,783.04 : x
  2. Step 2: Convert to fraction form
    850,589.76/1,173,025.40 = 620,783.04/x
  3. Step 3: Cross multiply
    850,589.76x = 1,173,025.40 × 620,783.04
  4. Step 4: Simplify right side
    850,589.76x = 728,194,275,104.15
  5. Step 5: Solve for x
    x = 728,194,275,104.15/850,589.76
  6. Step 6: Final answer
    x = 856,105.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.