Home / 880,607.79-1,320,801.42-281,519.25

Finding the Fourth Proportional to 880,607.79, 1,320,801.42 and 281,519.25

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Solution

The fourth proportional to 880,607.79, 1,320,801.42 and 281,519.25 is: 422,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,607.79 : 1,320,801.42 = 281,519.25 : x
  2. Step 2: Convert to fraction form
    880,607.79/1,320,801.42 = 281,519.25/x
  3. Step 3: Cross multiply
    880,607.79x = 1,320,801.42 × 281,519.25
  4. Step 4: Simplify right side
    880,607.79x = 371,831,025,157.34
  5. Step 5: Solve for x
    x = 371,831,025,157.34/880,607.79
  6. Step 6: Final answer
    x = 422,243.62

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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.