Home / 809,113.20-1,213,232.40-335,846.40

Finding the Fourth Proportional to 809,113.20, 1,213,232.40 and 335,846.40

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Solution

The fourth proportional to 809,113.20, 1,213,232.40 and 335,846.40 is: 503,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,113.20 : 1,213,232.40 = 335,846.40 : x
  2. Step 2: Convert to fraction form
    809,113.20/1,213,232.40 = 335,846.40/x
  3. Step 3: Cross multiply
    809,113.20x = 1,213,232.40 × 335,846.40
  4. Step 4: Simplify right side
    809,113.20x = 407,459,733,903.36
  5. Step 5: Solve for x
    x = 407,459,733,903.36/809,113.20
  6. Step 6: Final answer
    x = 503,588.04

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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.