Home / 831,975.68-1,247,962.56-271,009.28

Finding the Fourth Proportional to 831,975.68, 1,247,962.56 and 271,009.28

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Solution

The fourth proportional to 831,975.68, 1,247,962.56 and 271,009.28 is: 406,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,975.68 : 1,247,962.56 = 271,009.28 : x
  2. Step 2: Convert to fraction form
    831,975.68/1,247,962.56 = 271,009.28/x
  3. Step 3: Cross multiply
    831,975.68x = 1,247,962.56 × 271,009.28
  4. Step 4: Simplify right side
    831,975.68x = 338,209,434,852.56
  5. Step 5: Solve for x
    x = 338,209,434,852.56/831,975.68
  6. Step 6: Final answer
    x = 406,513.61

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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.