Home / 808,749.60-1,213,009.20-276,295.20

Finding the Fourth Proportional to 808,749.60, 1,213,009.20 and 276,295.20

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Solution

The fourth proportional to 808,749.60, 1,213,009.20 and 276,295.20 is: 414,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,749.60 : 1,213,009.20 = 276,295.20 : x
  2. Step 2: Convert to fraction form
    808,749.60/1,213,009.20 = 276,295.20/x
  3. Step 3: Cross multiply
    808,749.60x = 1,213,009.20 × 276,295.20
  4. Step 4: Simplify right side
    808,749.60x = 335,148,619,515.84
  5. Step 5: Solve for x
    x = 335,148,619,515.84/808,749.60
  6. Step 6: Final answer
    x = 414,403.44

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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.