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Finding the Fourth Proportional to 507,729.96, 760,100.52 and 375,201.48

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Solution

The fourth proportional to 507,729.96, 760,100.52 and 375,201.48 is: 561,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,729.96 : 760,100.52 = 375,201.48 : x
  2. Step 2: Convert to fraction form
    507,729.96/760,100.52 = 375,201.48/x
  3. Step 3: Cross multiply
    507,729.96x = 760,100.52 × 375,201.48
  4. Step 4: Simplify right side
    507,729.96x = 285,190,840,052.77
  5. Step 5: Solve for x
    x = 285,190,840,052.77/507,729.96
  6. Step 6: Final answer
    x = 561,697.88

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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.