Home / 775,225.64-1,162,746.19-206,649.38

Finding the Fourth Proportional to 775,225.64, 1,162,746.19 and 206,649.38

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Solution

The fourth proportional to 775,225.64, 1,162,746.19 and 206,649.38 is: 309,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,225.64 : 1,162,746.19 = 206,649.38 : x
  2. Step 2: Convert to fraction form
    775,225.64/1,162,746.19 = 206,649.38/x
  3. Step 3: Cross multiply
    775,225.64x = 1,162,746.19 × 206,649.38
  4. Step 4: Simplify right side
    775,225.64x = 240,280,775,885.59
  5. Step 5: Solve for x
    x = 240,280,775,885.59/775,225.64
  6. Step 6: Final answer
    x = 309,949.47

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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.