Home / 862,999.77-1,294,551.55-263,966.12

Finding the Fourth Proportional to 862,999.77, 1,294,551.55 and 263,966.12

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Solution

The fourth proportional to 862,999.77, 1,294,551.55 and 263,966.12 is: 395,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,999.77 : 1,294,551.55 = 263,966.12 : x
  2. Step 2: Convert to fraction form
    862,999.77/1,294,551.55 = 263,966.12/x
  3. Step 3: Cross multiply
    862,999.77x = 1,294,551.55 × 263,966.12
  4. Step 4: Simplify right side
    862,999.77x = 341,717,743,320.73
  5. Step 5: Solve for x
    x = 341,717,743,320.73/862,999.77
  6. Step 6: Final answer
    x = 395,965.05

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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.