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Finding the Fourth Proportional to 668,880.30, 922,792.04 and 382,246.61

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Solution

The fourth proportional to 668,880.30, 922,792.04 and 382,246.61 is: 527,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,880.30 : 922,792.04 = 382,246.61 : x
  2. Step 2: Convert to fraction form
    668,880.30/922,792.04 = 382,246.61/x
  3. Step 3: Cross multiply
    668,880.30x = 922,792.04 × 382,246.61
  4. Step 4: Simplify right side
    668,880.30x = 352,734,129,024.98
  5. Step 5: Solve for x
    x = 352,734,129,024.98/668,880.30
  6. Step 6: Final answer
    x = 527,350.15

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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.