Home / 840,322.84-1,260,648.15-271,844.86

Finding the Fourth Proportional to 840,322.84, 1,260,648.15 and 271,844.86

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Solution

The fourth proportional to 840,322.84, 1,260,648.15 and 271,844.86 is: 407,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,322.84 : 1,260,648.15 = 271,844.86 : x
  2. Step 2: Convert to fraction form
    840,322.84/1,260,648.15 = 271,844.86/x
  3. Step 3: Cross multiply
    840,322.84x = 1,260,648.15 × 271,844.86
  4. Step 4: Simplify right side
    840,322.84x = 342,700,719,846.01
  5. Step 5: Solve for x
    x = 342,700,719,846.01/840,322.84
  6. Step 6: Final answer
    x = 407,820.31

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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.