Home / 863,291.31-1,294,890.79-264,252.77

Finding the Fourth Proportional to 863,291.31, 1,294,890.79 and 264,252.77

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Solution

The fourth proportional to 863,291.31, 1,294,890.79 and 264,252.77 is: 396,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,291.31 : 1,294,890.79 = 264,252.77 : x
  2. Step 2: Convert to fraction form
    863,291.31/1,294,890.79 = 264,252.77/x
  3. Step 3: Cross multiply
    863,291.31x = 1,294,890.79 × 264,252.77
  4. Step 4: Simplify right side
    863,291.31x = 342,178,478,104.99
  5. Step 5: Solve for x
    x = 342,178,478,104.99/863,291.31
  6. Step 6: Final answer
    x = 396,365.02

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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.