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Finding the Fourth Proportional to 863,878.92, 1,295,809.02 and 295,254.60

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Solution

The fourth proportional to 863,878.92, 1,295,809.02 and 295,254.60 is: 442,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,878.92 : 1,295,809.02 = 295,254.60 : x
  2. Step 2: Convert to fraction form
    863,878.92/1,295,809.02 = 295,254.60/x
  3. Step 3: Cross multiply
    863,878.92x = 1,295,809.02 × 295,254.60
  4. Step 4: Simplify right side
    863,878.92x = 382,593,573,876.49
  5. Step 5: Solve for x
    x = 382,593,573,876.49/863,878.92
  6. Step 6: Final answer
    x = 442,878.70

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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.