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Finding the Fourth Proportional to 605,339.88, 835,428.03 and 452,112.03

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Solution

The fourth proportional to 605,339.88, 835,428.03 and 452,112.03 is: 623,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,339.88 : 835,428.03 = 452,112.03 : x
  2. Step 2: Convert to fraction form
    605,339.88/835,428.03 = 452,112.03/x
  3. Step 3: Cross multiply
    605,339.88x = 835,428.03 × 452,112.03
  4. Step 4: Simplify right side
    605,339.88x = 377,707,060,866.78
  5. Step 5: Solve for x
    x = 377,707,060,866.78/605,339.88
  6. Step 6: Final answer
    x = 623,958.66

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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.