Home / 801,435.80-1,200,245.60-463,764.62

Finding the Fourth Proportional to 801,435.80, 1,200,245.60 and 463,764.62

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Solution

The fourth proportional to 801,435.80, 1,200,245.60 and 463,764.62 is: 694,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,435.80 : 1,200,245.60 = 463,764.62 : x
  2. Step 2: Convert to fraction form
    801,435.80/1,200,245.60 = 463,764.62/x
  3. Step 3: Cross multiply
    801,435.80x = 1,200,245.60 × 463,764.62
  4. Step 4: Simplify right side
    801,435.80x = 556,631,439,748.86
  5. Step 5: Solve for x
    x = 556,631,439,748.86/801,435.80
  6. Step 6: Final answer
    x = 694,542.77

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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.