Home / 809,454.87-1,213,970.88-240,682.83

Finding the Fourth Proportional to 809,454.87, 1,213,970.88 and 240,682.83

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Solution

The fourth proportional to 809,454.87, 1,213,970.88 and 240,682.83 is: 360,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,454.87 : 1,213,970.88 = 240,682.83 : x
  2. Step 2: Convert to fraction form
    809,454.87/1,213,970.88 = 240,682.83/x
  3. Step 3: Cross multiply
    809,454.87x = 1,213,970.88 × 240,682.83
  4. Step 4: Simplify right side
    809,454.87x = 292,181,946,935.99
  5. Step 5: Solve for x
    x = 292,181,946,935.99/809,454.87
  6. Step 6: Final answer
    x = 360,961.38

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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.