Home / 735,079.15-1,102,660.19-261,764.56

Finding the Fourth Proportional to 735,079.15, 1,102,660.19 and 261,764.56

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Solution

The fourth proportional to 735,079.15, 1,102,660.19 and 261,764.56 is: 392,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,079.15 : 1,102,660.19 = 261,764.56 : x
  2. Step 2: Convert to fraction form
    735,079.15/1,102,660.19 = 261,764.56/x
  3. Step 3: Cross multiply
    735,079.15x = 1,102,660.19 × 261,764.56
  4. Step 4: Simplify right side
    735,079.15x = 288,637,360,515.99
  5. Step 5: Solve for x
    x = 288,637,360,515.99/735,079.15
  6. Step 6: Final answer
    x = 392,661.61

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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.