Home / 842,880.16-1,264,056.36-281,783.44

Finding the Fourth Proportional to 842,880.16, 1,264,056.36 and 281,783.44

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Solution

The fourth proportional to 842,880.16, 1,264,056.36 and 281,783.44 is: 422,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,880.16 : 1,264,056.36 = 281,783.44 : x
  2. Step 2: Convert to fraction form
    842,880.16/1,264,056.36 = 281,783.44/x
  3. Step 3: Cross multiply
    842,880.16x = 1,264,056.36 × 281,783.44
  4. Step 4: Simplify right side
    842,880.16x = 356,190,149,474.68
  5. Step 5: Solve for x
    x = 356,190,149,474.68/842,880.16
  6. Step 6: Final answer
    x = 422,586.94

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1.5x scale

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.