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Finding the Fourth Proportional to 668,673, 922,768.73 and 382,199.24

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Solution

The fourth proportional to 668,673, 922,768.73 and 382,199.24 is: 527,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,673 : 922,768.73 = 382,199.24 : x
  2. Step 2: Convert to fraction form
    668,673/922,768.73 = 382,199.24/x
  3. Step 3: Cross multiply
    668,673x = 922,768.73 × 382,199.24
  4. Step 4: Simplify right side
    668,673x = 352,681,500,776.93
  5. Step 5: Solve for x
    x = 352,681,500,776.93/668,673
  6. Step 6: Final answer
    x = 527,434.94

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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.