Home / 668,737.92-1,002,334.20-308,154.96

Finding the Fourth Proportional to 668,737.92, 1,002,334.20 and 308,154.96

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Solution

The fourth proportional to 668,737.92, 1,002,334.20 and 308,154.96 is: 461,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,737.92 : 1,002,334.20 = 308,154.96 : x
  2. Step 2: Convert to fraction form
    668,737.92/1,002,334.20 = 308,154.96/x
  3. Step 3: Cross multiply
    668,737.92x = 1,002,334.20 × 308,154.96
  4. Step 4: Simplify right side
    668,737.92x = 308,874,255,307.63
  5. Step 5: Solve for x
    x = 308,874,255,307.63/668,737.92
  6. Step 6: Final answer
    x = 461,876.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.