Home / 848,949.18-1,273,581.27-280,369.68

Finding the Fourth Proportional to 848,949.18, 1,273,581.27 and 280,369.68

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Solution

The fourth proportional to 848,949.18, 1,273,581.27 and 280,369.68 is: 420,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,949.18 : 1,273,581.27 = 280,369.68 : x
  2. Step 2: Convert to fraction form
    848,949.18/1,273,581.27 = 280,369.68/x
  3. Step 3: Cross multiply
    848,949.18x = 1,273,581.27 × 280,369.68
  4. Step 4: Simplify right side
    848,949.18x = 357,073,573,123.89
  5. Step 5: Solve for x
    x = 357,073,573,123.89/848,949.18
  6. Step 6: Final answer
    x = 420,606.54

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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.