Home / 721,976.06-1,083,586.17-500,515.58

Finding the Fourth Proportional to 721,976.06, 1,083,586.17 and 500,515.58

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Solution

The fourth proportional to 721,976.06, 1,083,586.17 and 500,515.58 is: 751,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,976.06 : 1,083,586.17 = 500,515.58 : x
  2. Step 2: Convert to fraction form
    721,976.06/1,083,586.17 = 500,515.58/x
  3. Step 3: Cross multiply
    721,976.06x = 1,083,586.17 × 500,515.58
  4. Step 4: Simplify right side
    721,976.06x = 542,351,760,357.53
  5. Step 5: Solve for x
    x = 542,351,760,357.53/721,976.06
  6. Step 6: Final answer
    x = 751,204.63

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1.5x scale

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.