Home / 835,724-1,254,084.12-303,286.64

Finding the Fourth Proportional to 835,724, 1,254,084.12 and 303,286.64

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Solution

The fourth proportional to 835,724, 1,254,084.12 and 303,286.64 is: 455,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,724 : 1,254,084.12 = 303,286.64 : x
  2. Step 2: Convert to fraction form
    835,724/1,254,084.12 = 303,286.64/x
  3. Step 3: Cross multiply
    835,724x = 1,254,084.12 × 303,286.64
  4. Step 4: Simplify right side
    835,724x = 380,346,959,032.16
  5. Step 5: Solve for x
    x = 380,346,959,032.16/835,724
  6. Step 6: Final answer
    x = 455,110.73

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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.