Home / 899,015.72-1,348,535.25-299,976.86

Finding the Fourth Proportional to 899,015.72, 1,348,535.25 and 299,976.86

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Solution

The fourth proportional to 899,015.72, 1,348,535.25 and 299,976.86 is: 449,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,015.72 : 1,348,535.25 = 299,976.86 : x
  2. Step 2: Convert to fraction form
    899,015.72/1,348,535.25 = 299,976.86/x
  3. Step 3: Cross multiply
    899,015.72x = 1,348,535.25 × 299,976.86
  4. Step 4: Simplify right side
    899,015.72x = 404,529,373,265.65
  5. Step 5: Solve for x
    x = 404,529,373,265.65/899,015.72
  6. Step 6: Final answer
    x = 449,969.19

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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.