Home / 890,142.33-1,335,213.09-591,206.43

Finding the Fourth Proportional to 890,142.33, 1,335,213.09 and 591,206.43

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Solution

The fourth proportional to 890,142.33, 1,335,213.09 and 591,206.43 is: 886,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,142.33 : 1,335,213.09 = 591,206.43 : x
  2. Step 2: Convert to fraction form
    890,142.33/1,335,213.09 = 591,206.43/x
  3. Step 3: Cross multiply
    890,142.33x = 1,335,213.09 × 591,206.43
  4. Step 4: Simplify right side
    890,142.33x = 789,386,557,934.10
  5. Step 5: Solve for x
    x = 789,386,557,934.10/890,142.33
  6. Step 6: Final answer
    x = 886,809.37

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1.5x scale

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.