Home / 747,443.73-1,121,343.79-242,004.86

Finding the Fourth Proportional to 747,443.73, 1,121,343.79 and 242,004.86

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Solution

The fourth proportional to 747,443.73, 1,121,343.79 and 242,004.86 is: 363,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,443.73 : 1,121,343.79 = 242,004.86 : x
  2. Step 2: Convert to fraction form
    747,443.73/1,121,343.79 = 242,004.86/x
  3. Step 3: Cross multiply
    747,443.73x = 1,121,343.79 × 242,004.86
  4. Step 4: Simplify right side
    747,443.73x = 271,370,646,910.82
  5. Step 5: Solve for x
    x = 271,370,646,910.82/747,443.73
  6. Step 6: Final answer
    x = 363,064.99

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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.