Home / 452,577.63-679,146.78-263,127.15

Finding the Fourth Proportional to 452,577.63, 679,146.78 and 263,127.15

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Solution

The fourth proportional to 452,577.63, 679,146.78 and 263,127.15 is: 394,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,577.63 : 679,146.78 = 263,127.15 : x
  2. Step 2: Convert to fraction form
    452,577.63/679,146.78 = 263,127.15/x
  3. Step 3: Cross multiply
    452,577.63x = 679,146.78 × 263,127.15
  4. Step 4: Simplify right side
    452,577.63x = 178,701,956,653.08
  5. Step 5: Solve for x
    x = 178,701,956,653.08/452,577.63
  6. Step 6: Final answer
    x = 394,853.71

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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.