Home / 709,086-1,063,638.26-235,771.35

Finding the Fourth Proportional to 709,086, 1,063,638.26 and 235,771.35

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Solution

The fourth proportional to 709,086, 1,063,638.26 and 235,771.35 is: 353,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,086 : 1,063,638.26 = 235,771.35 : x
  2. Step 2: Convert to fraction form
    709,086/1,063,638.26 = 235,771.35/x
  3. Step 3: Cross multiply
    709,086x = 1,063,638.26 × 235,771.35
  4. Step 4: Simplify right side
    709,086x = 250,775,428,471.85
  5. Step 5: Solve for x
    x = 250,775,428,471.85/709,086
  6. Step 6: Final answer
    x = 353,660.10

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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.