Home / 534,845.85-800,460.44-520,452.75

Finding the Fourth Proportional to 534,845.85, 800,460.44 and 520,452.75

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Solution

The fourth proportional to 534,845.85, 800,460.44 and 520,452.75 is: 778,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,845.85 : 800,460.44 = 520,452.75 : x
  2. Step 2: Convert to fraction form
    534,845.85/800,460.44 = 520,452.75/x
  3. Step 3: Cross multiply
    534,845.85x = 800,460.44 × 520,452.75
  4. Step 4: Simplify right side
    534,845.85x = 416,601,837,264.21
  5. Step 5: Solve for x
    x = 416,601,837,264.21/534,845.85
  6. Step 6: Final answer
    x = 778,919.45

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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.