Home / 808,393.50-1,212,585.39-209,353.14

Finding the Fourth Proportional to 808,393.50, 1,212,585.39 and 209,353.14

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Solution

The fourth proportional to 808,393.50, 1,212,585.39 and 209,353.14 is: 314,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,393.50 : 1,212,585.39 = 209,353.14 : x
  2. Step 2: Convert to fraction form
    808,393.50/1,212,585.39 = 209,353.14/x
  3. Step 3: Cross multiply
    808,393.50x = 1,212,585.39 × 209,353.14
  4. Step 4: Simplify right side
    808,393.50x = 253,858,558,914.63
  5. Step 5: Solve for x
    x = 253,858,558,914.63/808,393.50
  6. Step 6: Final answer
    x = 314,028.45

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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.