Home / 843,003.28-1,263,212.16-572,787.28

Finding the Fourth Proportional to 843,003.28, 1,263,212.16 and 572,787.28

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Solution

The fourth proportional to 843,003.28, 1,263,212.16 and 572,787.28 is: 858,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,003.28 : 1,263,212.16 = 572,787.28 : x
  2. Step 2: Convert to fraction form
    843,003.28/1,263,212.16 = 572,787.28/x
  3. Step 3: Cross multiply
    843,003.28x = 1,263,212.16 × 572,787.28
  4. Step 4: Simplify right side
    843,003.28x = 723,551,857,189.33
  5. Step 5: Solve for x
    x = 723,551,857,189.33/843,003.28
  6. Step 6: Final answer
    x = 858,302.54

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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.