Home / 809,303.24-1,213,118.33-303,507.54

Finding the Fourth Proportional to 809,303.24, 1,213,118.33 and 303,507.54

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Solution

The fourth proportional to 809,303.24, 1,213,118.33 and 303,507.54 is: 454,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,303.24 : 1,213,118.33 = 303,507.54 : x
  2. Step 2: Convert to fraction form
    809,303.24/1,213,118.33 = 303,507.54/x
  3. Step 3: Cross multiply
    809,303.24x = 1,213,118.33 × 303,507.54
  4. Step 4: Simplify right side
    809,303.24x = 368,190,558,549.67
  5. Step 5: Solve for x
    x = 368,190,558,549.67/809,303.24
  6. Step 6: Final answer
    x = 454,947.59

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1.5x scale

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.