Home / 713,649.54-1,070,517.55-287,183.73

Finding the Fourth Proportional to 713,649.54, 1,070,517.55 and 287,183.73

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Solution

The fourth proportional to 713,649.54, 1,070,517.55 and 287,183.73 is: 430,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,649.54 : 1,070,517.55 = 287,183.73 : x
  2. Step 2: Convert to fraction form
    713,649.54/1,070,517.55 = 287,183.73/x
  3. Step 3: Cross multiply
    713,649.54x = 1,070,517.55 × 287,183.73
  4. Step 4: Simplify right side
    713,649.54x = 307,435,223,039.46
  5. Step 5: Solve for x
    x = 307,435,223,039.46/713,649.54
  6. Step 6: Final answer
    x = 430,793.00

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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.