Home / 695,121.34-959,282.04-393,315.34

Finding the Fourth Proportional to 695,121.34, 959,282.04 and 393,315.34

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Solution

The fourth proportional to 695,121.34, 959,282.04 and 393,315.34 is: 542,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,121.34 : 959,282.04 = 393,315.34 : x
  2. Step 2: Convert to fraction form
    695,121.34/959,282.04 = 393,315.34/x
  3. Step 3: Cross multiply
    695,121.34x = 959,282.04 × 393,315.34
  4. Step 4: Simplify right side
    695,121.34x = 377,300,341,718.49
  5. Step 5: Solve for x
    x = 377,300,341,718.49/695,121.34
  6. Step 6: Final answer
    x = 542,783.43

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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.