Home / 396,875.20-595,312.80-263,322.40

Finding the Fourth Proportional to 396,875.20, 595,312.80 and 263,322.40

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Solution

The fourth proportional to 396,875.20, 595,312.80 and 263,322.40 is: 394,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,875.20 : 595,312.80 = 263,322.40 : x
  2. Step 2: Convert to fraction form
    396,875.20/595,312.80 = 263,322.40/x
  3. Step 3: Cross multiply
    396,875.20x = 595,312.80 × 263,322.40
  4. Step 4: Simplify right side
    396,875.20x = 156,759,195,246.72
  5. Step 5: Solve for x
    x = 156,759,195,246.72/396,875.20
  6. Step 6: Final answer
    x = 394,983.60

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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.