Home / 827,999.80-1,241,999.70-574,745.20

Finding the Fourth Proportional to 827,999.80, 1,241,999.70 and 574,745.20

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Solution

The fourth proportional to 827,999.80, 1,241,999.70 and 574,745.20 is: 862,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,999.80 : 1,241,999.70 = 574,745.20 : x
  2. Step 2: Convert to fraction form
    827,999.80/1,241,999.70 = 574,745.20/x
  3. Step 3: Cross multiply
    827,999.80x = 1,241,999.70 × 574,745.20
  4. Step 4: Simplify right side
    827,999.80x = 713,833,365,976.44
  5. Step 5: Solve for x
    x = 713,833,365,976.44/827,999.80
  6. Step 6: Final answer
    x = 862,117.80

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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.