Home / 787,388.20-1,181,269.26-254,909.32

Finding the Fourth Proportional to 787,388.20, 1,181,269.26 and 254,909.32

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Solution

The fourth proportional to 787,388.20, 1,181,269.26 and 254,909.32 is: 382,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,388.20 : 1,181,269.26 = 254,909.32 : x
  2. Step 2: Convert to fraction form
    787,388.20/1,181,269.26 = 254,909.32/x
  3. Step 3: Cross multiply
    787,388.20x = 1,181,269.26 × 254,909.32
  4. Step 4: Simplify right side
    787,388.20x = 301,116,543,803.50
  5. Step 5: Solve for x
    x = 301,116,543,803.50/787,388.20
  6. Step 6: Final answer
    x = 382,424.51

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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.