Home / 809,667.46-1,212,955.71-453,604.42

Finding the Fourth Proportional to 809,667.46, 1,212,955.71 and 453,604.42

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Solution

The fourth proportional to 809,667.46, 1,212,955.71 and 453,604.42 is: 679,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,667.46 : 1,212,955.71 = 453,604.42 : x
  2. Step 2: Convert to fraction form
    809,667.46/1,212,955.71 = 453,604.42/x
  3. Step 3: Cross multiply
    809,667.46x = 1,212,955.71 × 453,604.42
  4. Step 4: Simplify right side
    809,667.46x = 550,202,071,320.24
  5. Step 5: Solve for x
    x = 550,202,071,320.24/809,667.46
  6. Step 6: Final answer
    x = 679,540.80

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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.