Home / 427,816.31-590,665.04-274,913.42

Finding the Fourth Proportional to 427,816.31, 590,665.04 and 274,913.42

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Solution

The fourth proportional to 427,816.31, 590,665.04 and 274,913.42 is: 379,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,816.31 : 590,665.04 = 274,913.42 : x
  2. Step 2: Convert to fraction form
    427,816.31/590,665.04 = 274,913.42/x
  3. Step 3: Cross multiply
    427,816.31x = 590,665.04 × 274,913.42
  4. Step 4: Simplify right side
    427,816.31x = 162,381,741,892.95
  5. Step 5: Solve for x
    x = 162,381,741,892.95/427,816.31
  6. Step 6: Final answer
    x = 379,559.50

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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.