Home / 779,826.91-1,167,078.84-653,609.74

Finding the Fourth Proportional to 779,826.91, 1,167,078.84 and 653,609.74

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Solution

The fourth proportional to 779,826.91, 1,167,078.84 and 653,609.74 is: 978,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,826.91 : 1,167,078.84 = 653,609.74 : x
  2. Step 2: Convert to fraction form
    779,826.91/1,167,078.84 = 653,609.74/x
  3. Step 3: Cross multiply
    779,826.91x = 1,167,078.84 × 653,609.74
  4. Step 4: Simplify right side
    779,826.91x = 762,814,097,171.90
  5. Step 5: Solve for x
    x = 762,814,097,171.90/779,826.91
  6. Step 6: Final answer
    x = 978,183.86

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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.