Home / 806,047.80-1,209,219.32-332,474.82

Finding the Fourth Proportional to 806,047.80, 1,209,219.32 and 332,474.82

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Solution

The fourth proportional to 806,047.80, 1,209,219.32 and 332,474.82 is: 498,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,047.80 : 1,209,219.32 = 332,474.82 : x
  2. Step 2: Convert to fraction form
    806,047.80/1,209,219.32 = 332,474.82/x
  3. Step 3: Cross multiply
    806,047.80x = 1,209,219.32 × 332,474.82
  4. Step 4: Simplify right side
    806,047.80x = 402,034,975,757.52
  5. Step 5: Solve for x
    x = 402,034,975,757.52/806,047.80
  6. Step 6: Final answer
    x = 498,773.12

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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.