Home / 737,976.86-1,107,315.21-439,047.98

Finding the Fourth Proportional to 737,976.86, 1,107,315.21 and 439,047.98

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Solution

The fourth proportional to 737,976.86, 1,107,315.21 and 439,047.98 is: 658,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,976.86 : 1,107,315.21 = 439,047.98 : x
  2. Step 2: Convert to fraction form
    737,976.86/1,107,315.21 = 439,047.98/x
  3. Step 3: Cross multiply
    737,976.86x = 1,107,315.21 × 439,047.98
  4. Step 4: Simplify right side
    737,976.86x = 486,164,506,173.78
  5. Step 5: Solve for x
    x = 486,164,506,173.78/737,976.86
  6. Step 6: Final answer
    x = 658,780.15

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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.