Home / 823,219.20-1,234,919.52-262,124.64

Finding the Fourth Proportional to 823,219.20, 1,234,919.52 and 262,124.64

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Solution

The fourth proportional to 823,219.20, 1,234,919.52 and 262,124.64 is: 393,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,219.20 : 1,234,919.52 = 262,124.64 : x
  2. Step 2: Convert to fraction form
    823,219.20/1,234,919.52 = 262,124.64/x
  3. Step 3: Cross multiply
    823,219.20x = 1,234,919.52 × 262,124.64
  4. Step 4: Simplify right side
    823,219.20x = 323,702,834,608.97
  5. Step 5: Solve for x
    x = 323,702,834,608.97/823,219.20
  6. Step 6: Final answer
    x = 393,215.85

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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.