Home / 891,356.28-1,336,902.90-260,100.60

Finding the Fourth Proportional to 891,356.28, 1,336,902.90 and 260,100.60

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Solution

The fourth proportional to 891,356.28, 1,336,902.90 and 260,100.60 is: 390,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,356.28 : 1,336,902.90 = 260,100.60 : x
  2. Step 2: Convert to fraction form
    891,356.28/1,336,902.90 = 260,100.60/x
  3. Step 3: Cross multiply
    891,356.28x = 1,336,902.90 × 260,100.60
  4. Step 4: Simplify right side
    891,356.28x = 347,729,246,431.74
  5. Step 5: Solve for x
    x = 347,729,246,431.74/891,356.28
  6. Step 6: Final answer
    x = 390,112.52

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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.