Home / 453,923.40-680,885.10-449,257.80

Finding the Fourth Proportional to 453,923.40, 680,885.10 and 449,257.80

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Solution

The fourth proportional to 453,923.40, 680,885.10 and 449,257.80 is: 673,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,923.40 : 680,885.10 = 449,257.80 : x
  2. Step 2: Convert to fraction form
    453,923.40/680,885.10 = 449,257.80/x
  3. Step 3: Cross multiply
    453,923.40x = 680,885.10 × 449,257.80
  4. Step 4: Simplify right side
    453,923.40x = 305,892,942,078.78
  5. Step 5: Solve for x
    x = 305,892,942,078.78/453,923.40
  6. Step 6: Final answer
    x = 673,886.70

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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.