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Finding the Fourth Proportional to 888,954.92, 1,226,757.80 and 481,056.77

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Solution

The fourth proportional to 888,954.92, 1,226,757.80 and 481,056.77 is: 663,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,954.92 : 1,226,757.80 = 481,056.77 : x
  2. Step 2: Convert to fraction form
    888,954.92/1,226,757.80 = 481,056.77/x
  3. Step 3: Cross multiply
    888,954.92x = 1,226,757.80 × 481,056.77
  4. Step 4: Simplify right side
    888,954.92x = 590,140,137,203.22
  5. Step 5: Solve for x
    x = 590,140,137,203.22/888,954.92
  6. Step 6: Final answer
    x = 663,858.34

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1.5x scale

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.