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Finding the Fourth Proportional to 668,750.80, 922,876.06 and 382,277.04

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Solution

The fourth proportional to 668,750.80, 922,876.06 and 382,277.04 is: 527,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,750.80 : 922,876.06 = 382,277.04 : x
  2. Step 2: Convert to fraction form
    668,750.80/922,876.06 = 382,277.04/x
  3. Step 3: Cross multiply
    668,750.80x = 922,876.06 × 382,277.04
  4. Step 4: Simplify right side
    668,750.80x = 352,794,328,503.66
  5. Step 5: Solve for x
    x = 352,794,328,503.66/668,750.80
  6. Step 6: Final answer
    x = 527,542.29

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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.