Home / 737,976.36-1,107,314.46-439,047.48

Finding the Fourth Proportional to 737,976.36, 1,107,314.46 and 439,047.48

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Solution

The fourth proportional to 737,976.36, 1,107,314.46 and 439,047.48 is: 658,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,976.36 : 1,107,314.46 = 439,047.48 : x
  2. Step 2: Convert to fraction form
    737,976.36/1,107,314.46 = 439,047.48/x
  3. Step 3: Cross multiply
    737,976.36x = 1,107,314.46 × 439,047.48
  4. Step 4: Simplify right side
    737,976.36x = 486,163,623,230.56
  5. Step 5: Solve for x
    x = 486,163,623,230.56/737,976.36
  6. Step 6: Final answer
    x = 658,779.40

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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.