Home / 715,304.40-1,072,956.60-449,251.80

Finding the Fourth Proportional to 715,304.40, 1,072,956.60 and 449,251.80

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Solution

The fourth proportional to 715,304.40, 1,072,956.60 and 449,251.80 is: 673,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,304.40 : 1,072,956.60 = 449,251.80 : x
  2. Step 2: Convert to fraction form
    715,304.40/1,072,956.60 = 449,251.80/x
  3. Step 3: Cross multiply
    715,304.40x = 1,072,956.60 × 449,251.80
  4. Step 4: Simplify right side
    715,304.40x = 482,027,683,871.88
  5. Step 5: Solve for x
    x = 482,027,683,871.88/715,304.40
  6. Step 6: Final answer
    x = 673,877.70

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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.