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Finding the Fourth Proportional to 633,491.40, 948,912.30 and 296,819.40

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Solution

The fourth proportional to 633,491.40, 948,912.30 and 296,819.40 is: 444,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,491.40 : 948,912.30 = 296,819.40 : x
  2. Step 2: Convert to fraction form
    633,491.40/948,912.30 = 296,819.40/x
  3. Step 3: Cross multiply
    633,491.40x = 948,912.30 × 296,819.40
  4. Step 4: Simplify right side
    633,491.40x = 281,655,579,538.62
  5. Step 5: Solve for x
    x = 281,655,579,538.62/633,491.40
  6. Step 6: Final answer
    x = 444,608.37

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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.