Home / 715,872.87-1,073,809.58-210,433.86

Finding the Fourth Proportional to 715,872.87, 1,073,809.58 and 210,433.86

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Solution

The fourth proportional to 715,872.87, 1,073,809.58 and 210,433.86 is: 315,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,872.87 : 1,073,809.58 = 210,433.86 : x
  2. Step 2: Convert to fraction form
    715,872.87/1,073,809.58 = 210,433.86/x
  3. Step 3: Cross multiply
    715,872.87x = 1,073,809.58 × 210,433.86
  4. Step 4: Simplify right side
    715,872.87x = 225,965,893,772.21
  5. Step 5: Solve for x
    x = 225,965,893,772.21/715,872.87
  6. Step 6: Final answer
    x = 315,650.87

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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.