Home / 704,605.86-1,056,905.92-255,221.56

Finding the Fourth Proportional to 704,605.86, 1,056,905.92 and 255,221.56

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Solution

The fourth proportional to 704,605.86, 1,056,905.92 and 255,221.56 is: 382,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,605.86 : 1,056,905.92 = 255,221.56 : x
  2. Step 2: Convert to fraction form
    704,605.86/1,056,905.92 = 255,221.56/x
  3. Step 3: Cross multiply
    704,605.86x = 1,056,905.92 × 255,221.56
  4. Step 4: Simplify right side
    704,605.86x = 269,745,177,675.64
  5. Step 5: Solve for x
    x = 269,745,177,675.64/704,605.86
  6. Step 6: Final answer
    x = 382,831.30

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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.