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Finding the Fourth Proportional to 668,882.30, 922,794.80 and 382,248.62

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Solution

The fourth proportional to 668,882.30, 922,794.80 and 382,248.62 is: 527,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,882.30 : 922,794.80 = 382,248.62 : x
  2. Step 2: Convert to fraction form
    668,882.30/922,794.80 = 382,248.62/x
  3. Step 3: Cross multiply
    668,882.30x = 922,794.80 × 382,248.62
  4. Step 4: Simplify right side
    668,882.30x = 352,737,038,843.18
  5. Step 5: Solve for x
    x = 352,737,038,843.18/668,882.30
  6. Step 6: Final answer
    x = 527,352.93

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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.