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Finding the Fourth Proportional to 888,465.62, 1,332,702.32 and 281,256.90

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Solution

The fourth proportional to 888,465.62, 1,332,702.32 and 281,256.90 is: 421,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,465.62 : 1,332,702.32 = 281,256.90 : x
  2. Step 2: Convert to fraction form
    888,465.62/1,332,702.32 = 281,256.90/x
  3. Step 3: Cross multiply
    888,465.62x = 1,332,702.32 × 281,256.90
  4. Step 4: Simplify right side
    888,465.62x = 374,831,726,611.65
  5. Step 5: Solve for x
    x = 374,831,726,611.65/888,465.62
  6. Step 6: Final answer
    x = 421,886.58

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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.