Home / 793,640.43-1,189,645.25-313,673.18

Finding the Fourth Proportional to 793,640.43, 1,189,645.25 and 313,673.18

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Solution

The fourth proportional to 793,640.43, 1,189,645.25 and 313,673.18 is: 470,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,640.43 : 1,189,645.25 = 313,673.18 : x
  2. Step 2: Convert to fraction form
    793,640.43/1,189,645.25 = 313,673.18/x
  3. Step 3: Cross multiply
    793,640.43x = 1,189,645.25 × 313,673.18
  4. Step 4: Simplify right side
    793,640.43x = 373,159,801,122.80
  5. Step 5: Solve for x
    x = 373,159,801,122.80/793,640.43
  6. Step 6: Final answer
    x = 470,187.49

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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.