Home / 709,186.14-1,063,623.42-203,634.36

Finding the Fourth Proportional to 709,186.14, 1,063,623.42 and 203,634.36

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Solution

The fourth proportional to 709,186.14, 1,063,623.42 and 203,634.36 is: 305,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,186.14 : 1,063,623.42 = 203,634.36 : x
  2. Step 2: Convert to fraction form
    709,186.14/1,063,623.42 = 203,634.36/x
  3. Step 3: Cross multiply
    709,186.14x = 1,063,623.42 × 203,634.36
  4. Step 4: Simplify right side
    709,186.14x = 216,590,274,412.71
  5. Step 5: Solve for x
    x = 216,590,274,412.71/709,186.14
  6. Step 6: Final answer
    x = 305,406.81

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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.