Home / 787,372.53-1,181,245.91-254,893.32

Finding the Fourth Proportional to 787,372.53, 1,181,245.91 and 254,893.32

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Solution

The fourth proportional to 787,372.53, 1,181,245.91 and 254,893.32 is: 382,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,372.53 : 1,181,245.91 = 254,893.32 : x
  2. Step 2: Convert to fraction form
    787,372.53/1,181,245.91 = 254,893.32/x
  3. Step 3: Cross multiply
    787,372.53x = 1,181,245.91 × 254,893.32
  4. Step 4: Simplify right side
    787,372.53x = 301,091,690,461.86
  5. Step 5: Solve for x
    x = 301,091,690,461.86/787,372.53
  6. Step 6: Final answer
    x = 382,400.55

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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.