Home / 879,227.22-1,318,816.23-280,224.33

Finding the Fourth Proportional to 879,227.22, 1,318,816.23 and 280,224.33

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Solution

The fourth proportional to 879,227.22, 1,318,816.23 and 280,224.33 is: 420,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,227.22 : 1,318,816.23 = 280,224.33 : x
  2. Step 2: Convert to fraction form
    879,227.22/1,318,816.23 = 280,224.33/x
  3. Step 3: Cross multiply
    879,227.22x = 1,318,816.23 × 280,224.33
  4. Step 4: Simplify right side
    879,227.22x = 369,564,394,444.88
  5. Step 5: Solve for x
    x = 369,564,394,444.88/879,227.22
  6. Step 6: Final answer
    x = 420,328.65

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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.