Home / 905,863.76-1,250,096.03-497,991.83

Finding the Fourth Proportional to 905,863.76, 1,250,096.03 and 497,991.83

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Solution

The fourth proportional to 905,863.76, 1,250,096.03 and 497,991.83 is: 687,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,863.76 : 1,250,096.03 = 497,991.83 : x
  2. Step 2: Convert to fraction form
    905,863.76/1,250,096.03 = 497,991.83/x
  3. Step 3: Cross multiply
    905,863.76x = 1,250,096.03 × 497,991.83
  4. Step 4: Simplify right side
    905,863.76x = 622,537,600,915.00
  5. Step 5: Solve for x
    x = 622,537,600,915.00/905,863.76
  6. Step 6: Final answer
    x = 687,230.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.