Home / 823,220.20-1,234,921.02-262,125.64

Finding the Fourth Proportional to 823,220.20, 1,234,921.02 and 262,125.64

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Solution

The fourth proportional to 823,220.20, 1,234,921.02 and 262,125.64 is: 393,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,220.20 : 1,234,921.02 = 262,125.64 : x
  2. Step 2: Convert to fraction form
    823,220.20/1,234,921.02 = 262,125.64/x
  3. Step 3: Cross multiply
    823,220.20x = 1,234,921.02 × 262,125.64
  4. Step 4: Simplify right side
    823,220.20x = 323,704,462,716.95
  5. Step 5: Solve for x
    x = 323,704,462,716.95/823,220.20
  6. Step 6: Final answer
    x = 393,217.35

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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.