Home / 787,254.20-1,181,027.10-254,792.60

Finding the Fourth Proportional to 787,254.20, 1,181,027.10 and 254,792.60

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Solution

The fourth proportional to 787,254.20, 1,181,027.10 and 254,792.60 is: 382,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,254.20 : 1,181,027.10 = 254,792.60 : x
  2. Step 2: Convert to fraction form
    787,254.20/1,181,027.10 = 254,792.60/x
  3. Step 3: Cross multiply
    787,254.20x = 1,181,027.10 × 254,792.60
  4. Step 4: Simplify right side
    787,254.20x = 300,916,965,479.46
  5. Step 5: Solve for x
    x = 300,916,965,479.46/787,254.20
  6. Step 6: Final answer
    x = 382,236.09

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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.