Home / 862,765.89-1,294,152.17-263,724.72

Finding the Fourth Proportional to 862,765.89, 1,294,152.17 and 263,724.72

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Solution

The fourth proportional to 862,765.89, 1,294,152.17 and 263,724.72 is: 395,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,765.89 : 1,294,152.17 = 263,724.72 : x
  2. Step 2: Convert to fraction form
    862,765.89/1,294,152.17 = 263,724.72/x
  3. Step 3: Cross multiply
    862,765.89x = 1,294,152.17 × 263,724.72
  4. Step 4: Simplify right side
    862,765.89x = 341,299,917,352.02
  5. Step 5: Solve for x
    x = 341,299,917,352.02/862,765.89
  6. Step 6: Final answer
    x = 395,588.10

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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.