Home / 809,803.81-1,214,932.73-354,434.70

Finding the Fourth Proportional to 809,803.81, 1,214,932.73 and 354,434.70

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Solution

The fourth proportional to 809,803.81, 1,214,932.73 and 354,434.70 is: 531,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,803.81 : 1,214,932.73 = 354,434.70 : x
  2. Step 2: Convert to fraction form
    809,803.81/1,214,932.73 = 354,434.70/x
  3. Step 3: Cross multiply
    809,803.81x = 1,214,932.73 × 354,434.70
  4. Step 4: Simplify right side
    809,803.81x = 430,614,317,234.69
  5. Step 5: Solve for x
    x = 430,614,317,234.69/809,803.81
  6. Step 6: Final answer
    x = 531,751.41

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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.