Home / 757,845.43-1,136,638.92-252,349.04

Finding the Fourth Proportional to 757,845.43, 1,136,638.92 and 252,349.04

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Solution

The fourth proportional to 757,845.43, 1,136,638.92 and 252,349.04 is: 378,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,845.43 : 1,136,638.92 = 252,349.04 : x
  2. Step 2: Convert to fraction form
    757,845.43/1,136,638.92 = 252,349.04/x
  3. Step 3: Cross multiply
    757,845.43x = 1,136,638.92 × 252,349.04
  4. Step 4: Simplify right side
    757,845.43x = 286,829,740,288.64
  5. Step 5: Solve for x
    x = 286,829,740,288.64/757,845.43
  6. Step 6: Final answer
    x = 378,480.53

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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.