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Finding the Fourth Proportional to 531,452.89, 733,410.53 and 289,734.13

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Solution

The fourth proportional to 531,452.89, 733,410.53 and 289,734.13 is: 399,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,452.89 : 733,410.53 = 289,734.13 : x
  2. Step 2: Convert to fraction form
    531,452.89/733,410.53 = 289,734.13/x
  3. Step 3: Cross multiply
    531,452.89x = 733,410.53 × 289,734.13
  4. Step 4: Simplify right side
    531,452.89x = 212,494,061,842.39
  5. Step 5: Solve for x
    x = 212,494,061,842.39/531,452.89
  6. Step 6: Final answer
    x = 399,836.12

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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.