Home / 682,629.60-1,022,638.80-366,981.60

Finding the Fourth Proportional to 682,629.60, 1,022,638.80 and 366,981.60

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Solution

The fourth proportional to 682,629.60, 1,022,638.80 and 366,981.60 is: 549,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,629.60 : 1,022,638.80 = 366,981.60 : x
  2. Step 2: Convert to fraction form
    682,629.60/1,022,638.80 = 366,981.60/x
  3. Step 3: Cross multiply
    682,629.60x = 1,022,638.80 × 366,981.60
  4. Step 4: Simplify right side
    682,629.60x = 375,289,623,046.08
  5. Step 5: Solve for x
    x = 375,289,623,046.08/682,629.60
  6. Step 6: Final answer
    x = 549,770.51

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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.