Home / 335,811.80-503,717.70-259,704.20

Finding the Fourth Proportional to 335,811.80, 503,717.70 and 259,704.20

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Solution

The fourth proportional to 335,811.80, 503,717.70 and 259,704.20 is: 389,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,811.80 : 503,717.70 = 259,704.20 : x
  2. Step 2: Convert to fraction form
    335,811.80/503,717.70 = 259,704.20/x
  3. Step 3: Cross multiply
    335,811.80x = 503,717.70 × 259,704.20
  4. Step 4: Simplify right side
    335,811.80x = 130,817,602,304.34
  5. Step 5: Solve for x
    x = 130,817,602,304.34/335,811.80
  6. Step 6: Final answer
    x = 389,556.30

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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.