Home / 822,563.20-1,135,129.44-459,982.90

Finding the Fourth Proportional to 822,563.20, 1,135,129.44 and 459,982.90

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Solution

The fourth proportional to 822,563.20, 1,135,129.44 and 459,982.90 is: 634,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,563.20 : 1,135,129.44 = 459,982.90 : x
  2. Step 2: Convert to fraction form
    822,563.20/1,135,129.44 = 459,982.90/x
  3. Step 3: Cross multiply
    822,563.20x = 1,135,129.44 × 459,982.90
  4. Step 4: Simplify right side
    822,563.20x = 522,140,131,686.58
  5. Step 5: Solve for x
    x = 522,140,131,686.58/822,563.20
  6. Step 6: Final answer
    x = 634,772.05

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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.