Home / 827,782.10-1,241,003.48-258,870.50

Finding the Fourth Proportional to 827,782.10, 1,241,003.48 and 258,870.50

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Solution

The fourth proportional to 827,782.10, 1,241,003.48 and 258,870.50 is: 388,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,782.10 : 1,241,003.48 = 258,870.50 : x
  2. Step 2: Convert to fraction form
    827,782.10/1,241,003.48 = 258,870.50/x
  3. Step 3: Cross multiply
    827,782.10x = 1,241,003.48 × 258,870.50
  4. Step 4: Simplify right side
    827,782.10x = 321,259,183,869.97
  5. Step 5: Solve for x
    x = 321,259,183,869.97/827,782.10
  6. Step 6: Final answer
    x = 388,096.32

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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.