Home / 809,000.64-1,213,185.54-303,285.93

Finding the Fourth Proportional to 809,000.64, 1,213,185.54 and 303,285.93

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Solution

The fourth proportional to 809,000.64, 1,213,185.54 and 303,285.93 is: 454,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,000.64 : 1,213,185.54 = 303,285.93 : x
  2. Step 2: Convert to fraction form
    809,000.64/1,213,185.54 = 303,285.93/x
  3. Step 3: Cross multiply
    809,000.64x = 1,213,185.54 × 303,285.93
  4. Step 4: Simplify right side
    809,000.64x = 367,942,104,761.45
  5. Step 5: Solve for x
    x = 367,942,104,761.45/809,000.64
  6. Step 6: Final answer
    x = 454,810.65

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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.