Home / 771,257.20-1,156,540.20-297,785.20

Finding the Fourth Proportional to 771,257.20, 1,156,540.20 and 297,785.20

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Solution

The fourth proportional to 771,257.20, 1,156,540.20 and 297,785.20 is: 446,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,257.20 : 1,156,540.20 = 297,785.20 : x
  2. Step 2: Convert to fraction form
    771,257.20/1,156,540.20 = 297,785.20/x
  3. Step 3: Cross multiply
    771,257.20x = 1,156,540.20 × 297,785.20
  4. Step 4: Simplify right side
    771,257.20x = 344,400,554,765.04
  5. Step 5: Solve for x
    x = 344,400,554,765.04/771,257.20
  6. Step 6: Final answer
    x = 446,544.36

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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.