Home / 864,811.72-1,297,286.70-303,972.04

Finding the Fourth Proportional to 864,811.72, 1,297,286.70 and 303,972.04

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Solution

The fourth proportional to 864,811.72, 1,297,286.70 and 303,972.04 is: 455,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,811.72 : 1,297,286.70 = 303,972.04 : x
  2. Step 2: Convert to fraction form
    864,811.72/1,297,286.70 = 303,972.04/x
  3. Step 3: Cross multiply
    864,811.72x = 1,297,286.70 × 303,972.04
  4. Step 4: Simplify right side
    864,811.72x = 394,338,884,663.87
  5. Step 5: Solve for x
    x = 394,338,884,663.87/864,811.72
  6. Step 6: Final answer
    x = 455,982.35

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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.