Home / 789,939.80-1,184,909.70-506,504.60

Finding the Fourth Proportional to 789,939.80, 1,184,909.70 and 506,504.60

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Solution

The fourth proportional to 789,939.80, 1,184,909.70 and 506,504.60 is: 759,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,939.80 : 1,184,909.70 = 506,504.60 : x
  2. Step 2: Convert to fraction form
    789,939.80/1,184,909.70 = 506,504.60/x
  3. Step 3: Cross multiply
    789,939.80x = 1,184,909.70 × 506,504.60
  4. Step 4: Simplify right side
    789,939.80x = 600,162,213,634.62
  5. Step 5: Solve for x
    x = 600,162,213,634.62/789,939.80
  6. Step 6: Final answer
    x = 759,756.90

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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.