Home / 891,735.12-1,337,874.84-284,507.28

Finding the Fourth Proportional to 891,735.12, 1,337,874.84 and 284,507.28

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Solution

The fourth proportional to 891,735.12, 1,337,874.84 and 284,507.28 is: 426,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,735.12 : 1,337,874.84 = 284,507.28 : x
  2. Step 2: Convert to fraction form
    891,735.12/1,337,874.84 = 284,507.28/x
  3. Step 3: Cross multiply
    891,735.12x = 1,337,874.84 × 284,507.28
  4. Step 4: Simplify right side
    891,735.12x = 380,635,131,708.84
  5. Step 5: Solve for x
    x = 380,635,131,708.84/891,735.12
  6. Step 6: Final answer
    x = 426,847.75

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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.