Home / 809,454.37-1,213,970.13-240,682.33

Finding the Fourth Proportional to 809,454.37, 1,213,970.13 and 240,682.33

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Solution

The fourth proportional to 809,454.37, 1,213,970.13 and 240,682.33 is: 360,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,454.37 : 1,213,970.13 = 240,682.33 : x
  2. Step 2: Convert to fraction form
    809,454.37/1,213,970.13 = 240,682.33/x
  3. Step 3: Cross multiply
    809,454.37x = 1,213,970.13 × 240,682.33
  4. Step 4: Simplify right side
    809,454.37x = 292,181,159,438.80
  5. Step 5: Solve for x
    x = 292,181,159,438.80/809,454.37
  6. Step 6: Final answer
    x = 360,960.63

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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.