Home / 909,943.92-1,364,796.72-270,234.54

Finding the Fourth Proportional to 909,943.92, 1,364,796.72 and 270,234.54

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Solution

The fourth proportional to 909,943.92, 1,364,796.72 and 270,234.54 is: 405,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,943.92 : 1,364,796.72 = 270,234.54 : x
  2. Step 2: Convert to fraction form
    909,943.92/1,364,796.72 = 270,234.54/x
  3. Step 3: Cross multiply
    909,943.92x = 1,364,796.72 × 270,234.54
  4. Step 4: Simplify right side
    909,943.92x = 368,815,213,822.71
  5. Step 5: Solve for x
    x = 368,815,213,822.71/909,943.92
  6. Step 6: Final answer
    x = 405,316.42

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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.