Home / 797,209.50-1,100,149.11-439,513.50

Finding the Fourth Proportional to 797,209.50, 1,100,149.11 and 439,513.50

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Solution

The fourth proportional to 797,209.50, 1,100,149.11 and 439,513.50 is: 606,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,209.50 : 1,100,149.11 = 439,513.50 : x
  2. Step 2: Convert to fraction form
    797,209.50/1,100,149.11 = 439,513.50/x
  3. Step 3: Cross multiply
    797,209.50x = 1,100,149.11 × 439,513.50
  4. Step 4: Simplify right side
    797,209.50x = 483,530,385,857.99
  5. Step 5: Solve for x
    x = 483,530,385,857.99/797,209.50
  6. Step 6: Final answer
    x = 606,528.63

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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.