Home / 705,078.96-1,057,255.56-284,241.84

Finding the Fourth Proportional to 705,078.96, 1,057,255.56 and 284,241.84

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Solution

The fourth proportional to 705,078.96, 1,057,255.56 and 284,241.84 is: 426,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,078.96 : 1,057,255.56 = 284,241.84 : x
  2. Step 2: Convert to fraction form
    705,078.96/1,057,255.56 = 284,241.84/x
  3. Step 3: Cross multiply
    705,078.96x = 1,057,255.56 × 284,241.84
  4. Step 4: Simplify right side
    705,078.96x = 300,516,265,724.63
  5. Step 5: Solve for x
    x = 300,516,265,724.63/705,078.96
  6. Step 6: Final answer
    x = 426,216.47

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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.