Home / 808,822.82-1,213,263.40-303,332.60

Finding the Fourth Proportional to 808,822.82, 1,213,263.40 and 303,332.60

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Solution

The fourth proportional to 808,822.82, 1,213,263.40 and 303,332.60 is: 455,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,822.82 : 1,213,263.40 = 303,332.60 : x
  2. Step 2: Convert to fraction form
    808,822.82/1,213,263.40 = 303,332.60/x
  3. Step 3: Cross multiply
    808,822.82x = 1,213,263.40 × 303,332.60
  4. Step 4: Simplify right side
    808,822.82x = 368,022,341,606.84
  5. Step 5: Solve for x
    x = 368,022,341,606.84/808,822.82
  6. Step 6: Final answer
    x = 455,009.84

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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.