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Finding the Fourth Proportional to 682,861.33, 942,348.82 and 376,937.90

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Solution

The fourth proportional to 682,861.33, 942,348.82 and 376,937.90 is: 520,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,861.33 : 942,348.82 = 376,937.90 : x
  2. Step 2: Convert to fraction form
    682,861.33/942,348.82 = 376,937.90/x
  3. Step 3: Cross multiply
    682,861.33x = 942,348.82 × 376,937.90
  4. Step 4: Simplify right side
    682,861.33x = 355,206,984,571.51
  5. Step 5: Solve for x
    x = 355,206,984,571.51/682,861.33
  6. Step 6: Final answer
    x = 520,174.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.