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Finding the Fourth Proportional to 668,737.80, 922,858.11 and 382,264.02

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Solution

The fourth proportional to 668,737.80, 922,858.11 and 382,264.02 is: 527,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,737.80 : 922,858.11 = 382,264.02 : x
  2. Step 2: Convert to fraction form
    668,737.80/922,858.11 = 382,264.02/x
  3. Step 3: Cross multiply
    668,737.80x = 922,858.11 × 382,264.02
  4. Step 4: Simplify right side
    668,737.80x = 352,775,451,018.20
  5. Step 5: Solve for x
    x = 352,775,451,018.20/668,737.80
  6. Step 6: Final answer
    x = 527,524.32

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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.