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Finding the Fourth Proportional to 602,181.86, 831,022.28 and 330,233.49

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Solution

The fourth proportional to 602,181.86, 831,022.28 and 330,233.49 is: 455,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,181.86 : 831,022.28 = 330,233.49 : x
  2. Step 2: Convert to fraction form
    602,181.86/831,022.28 = 330,233.49/x
  3. Step 3: Cross multiply
    602,181.86x = 831,022.28 × 330,233.49
  4. Step 4: Simplify right side
    602,181.86x = 274,431,389,236.93
  5. Step 5: Solve for x
    x = 274,431,389,236.93/602,181.86
  6. Step 6: Final answer
    x = 455,728.42

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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.