Home / 723,815.32-1,085,730.84-218,380.82

Finding the Fourth Proportional to 723,815.32, 1,085,730.84 and 218,380.82

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Solution

The fourth proportional to 723,815.32, 1,085,730.84 and 218,380.82 is: 327,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,815.32 : 1,085,730.84 = 218,380.82 : x
  2. Step 2: Convert to fraction form
    723,815.32/1,085,730.84 = 218,380.82/x
  3. Step 3: Cross multiply
    723,815.32x = 1,085,730.84 × 218,380.82
  4. Step 4: Simplify right side
    723,815.32x = 237,102,790,046.59
  5. Step 5: Solve for x
    x = 237,102,790,046.59/723,815.32
  6. Step 6: Final answer
    x = 327,573.60

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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.