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Finding the Fourth Proportional to 909,086, 1,363,825.84 and 348,120.52

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Solution

The fourth proportional to 909,086, 1,363,825.84 and 348,120.52 is: 522,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,086 : 1,363,825.84 = 348,120.52 : x
  2. Step 2: Convert to fraction form
    909,086/1,363,825.84 = 348,120.52/x
  3. Step 3: Cross multiply
    909,086x = 1,363,825.84 × 348,120.52
  4. Step 4: Simplify right side
    909,086x = 474,775,760,610.24
  5. Step 5: Solve for x
    x = 474,775,760,610.24/909,086
  6. Step 6: Final answer
    x = 522,256.16

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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.