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Finding the Fourth Proportional to 439,492.68, 658,557 and 304,819.56

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Solution

The fourth proportional to 439,492.68, 658,557 and 304,819.56 is: 456,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,492.68 : 658,557 = 304,819.56 : x
  2. Step 2: Convert to fraction form
    439,492.68/658,557 = 304,819.56/x
  3. Step 3: Cross multiply
    439,492.68x = 658,557 × 304,819.56
  4. Step 4: Simplify right side
    439,492.68x = 200,741,054,974.92
  5. Step 5: Solve for x
    x = 200,741,054,974.92/439,492.68
  6. Step 6: Final answer
    x = 456,756.31

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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.