Home / 848,752.40-1,273,286.03-280,173.11

Finding the Fourth Proportional to 848,752.40, 1,273,286.03 and 280,173.11

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Solution

The fourth proportional to 848,752.40, 1,273,286.03 and 280,173.11 is: 420,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,752.40 : 1,273,286.03 = 280,173.11 : x
  2. Step 2: Convert to fraction form
    848,752.40/1,273,286.03 = 280,173.11/x
  3. Step 3: Cross multiply
    848,752.40x = 1,273,286.03 × 280,173.11
  4. Step 4: Simplify right side
    848,752.40x = 356,740,499,177.36
  5. Step 5: Solve for x
    x = 356,740,499,177.36/848,752.40
  6. Step 6: Final answer
    x = 420,311.62

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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.