Home / 737,977.31-1,107,315.87-439,048.43

Finding the Fourth Proportional to 737,977.31, 1,107,315.87 and 439,048.43

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Solution

The fourth proportional to 737,977.31, 1,107,315.87 and 439,048.43 is: 658,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,977.31 : 1,107,315.87 = 439,048.43 : x
  2. Step 2: Convert to fraction form
    737,977.31/1,107,315.87 = 439,048.43/x
  3. Step 3: Cross multiply
    737,977.31x = 1,107,315.87 × 439,048.43
  4. Step 4: Simplify right side
    737,977.31x = 486,165,288,701.01
  5. Step 5: Solve for x
    x = 486,165,288,701.01/737,977.31
  6. Step 6: Final answer
    x = 658,780.81

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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.