Home / 711,804.34-1,067,800.47-262,840.78

Finding the Fourth Proportional to 711,804.34, 1,067,800.47 and 262,840.78

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Solution

The fourth proportional to 711,804.34, 1,067,800.47 and 262,840.78 is: 394,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,804.34 : 1,067,800.47 = 262,840.78 : x
  2. Step 2: Convert to fraction form
    711,804.34/1,067,800.47 = 262,840.78/x
  3. Step 3: Cross multiply
    711,804.34x = 1,067,800.47 × 262,840.78
  4. Step 4: Simplify right side
    711,804.34x = 280,661,508,419.17
  5. Step 5: Solve for x
    x = 280,661,508,419.17/711,804.34
  6. Step 6: Final answer
    x = 394,295.87

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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.