Home / 682,829.27-942,299.19-376,905.61

Finding the Fourth Proportional to 682,829.27, 942,299.19 and 376,905.61

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Solution

The fourth proportional to 682,829.27, 942,299.19 and 376,905.61 is: 520,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,829.27 : 942,299.19 = 376,905.61 : x
  2. Step 2: Convert to fraction form
    682,829.27/942,299.19 = 376,905.61/x
  3. Step 3: Cross multiply
    682,829.27x = 942,299.19 × 376,905.61
  4. Step 4: Simplify right side
    682,829.27x = 355,157,848,653.71
  5. Step 5: Solve for x
    x = 355,157,848,653.71/682,829.27
  6. Step 6: Final answer
    x = 520,126.87

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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.