Home / 812,081.56-1,120,647.30-467,918.14

Finding the Fourth Proportional to 812,081.56, 1,120,647.30 and 467,918.14

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Solution

The fourth proportional to 812,081.56, 1,120,647.30 and 467,918.14 is: 645,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,081.56 : 1,120,647.30 = 467,918.14 : x
  2. Step 2: Convert to fraction form
    812,081.56/1,120,647.30 = 467,918.14/x
  3. Step 3: Cross multiply
    812,081.56x = 1,120,647.30 × 467,918.14
  4. Step 4: Simplify right side
    812,081.56x = 524,371,200,212.02
  5. Step 5: Solve for x
    x = 524,371,200,212.02/812,081.56
  6. Step 6: Final answer
    x = 645,712.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.