Home / 907,485.68-1,361,178.84-276,346.64

Finding the Fourth Proportional to 907,485.68, 1,361,178.84 and 276,346.64

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Solution

The fourth proportional to 907,485.68, 1,361,178.84 and 276,346.64 is: 414,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,485.68 : 1,361,178.84 = 276,346.64 : x
  2. Step 2: Convert to fraction form
    907,485.68/1,361,178.84 = 276,346.64/x
  3. Step 3: Cross multiply
    907,485.68x = 1,361,178.84 × 276,346.64
  4. Step 4: Simplify right side
    907,485.68x = 376,157,198,873.10
  5. Step 5: Solve for x
    x = 376,157,198,873.10/907,485.68
  6. Step 6: Final answer
    x = 414,504.83

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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.