Home / 782,863.08-1,174,288.38-465,216.36

Finding the Fourth Proportional to 782,863.08, 1,174,288.38 and 465,216.36

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Solution

The fourth proportional to 782,863.08, 1,174,288.38 and 465,216.36 is: 697,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,863.08 : 1,174,288.38 = 465,216.36 : x
  2. Step 2: Convert to fraction form
    782,863.08/1,174,288.38 = 465,216.36/x
  3. Step 3: Cross multiply
    782,863.08x = 1,174,288.38 × 465,216.36
  4. Step 4: Simplify right side
    782,863.08x = 546,298,165,733.90
  5. Step 5: Solve for x
    x = 546,298,165,733.90/782,863.08
  6. Step 6: Final answer
    x = 697,820.83

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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.