Home / 789,899.22-1,184,665.77-221,320.26

Finding the Fourth Proportional to 789,899.22, 1,184,665.77 and 221,320.26

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Solution

The fourth proportional to 789,899.22, 1,184,665.77 and 221,320.26 is: 331,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,899.22 : 1,184,665.77 = 221,320.26 : x
  2. Step 2: Convert to fraction form
    789,899.22/1,184,665.77 = 221,320.26/x
  3. Step 3: Cross multiply
    789,899.22x = 1,184,665.77 × 221,320.26
  4. Step 4: Simplify right side
    789,899.22x = 262,190,536,229.50
  5. Step 5: Solve for x
    x = 262,190,536,229.50/789,899.22
  6. Step 6: Final answer
    x = 331,929.10

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1.5x scale

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.