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Finding the Fourth Proportional to 542,447.04, 748,556.64 and 303,967.68

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Solution

The fourth proportional to 542,447.04, 748,556.64 and 303,967.68 is: 419,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,447.04 : 748,556.64 = 303,967.68 : x
  2. Step 2: Convert to fraction form
    542,447.04/748,556.64 = 303,967.68/x
  3. Step 3: Cross multiply
    542,447.04x = 748,556.64 × 303,967.68
  4. Step 4: Simplify right side
    542,447.04x = 227,537,025,209.40
  5. Step 5: Solve for x
    x = 227,537,025,209.40/542,447.04
  6. Step 6: Final answer
    x = 419,464.04

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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.