Home / 847,317.80-1,270,975.80-216,231.56

Finding the Fourth Proportional to 847,317.80, 1,270,975.80 and 216,231.56

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Solution

The fourth proportional to 847,317.80, 1,270,975.80 and 216,231.56 is: 324,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,317.80 : 1,270,975.80 = 216,231.56 : x
  2. Step 2: Convert to fraction form
    847,317.80/1,270,975.80 = 216,231.56/x
  3. Step 3: Cross multiply
    847,317.80x = 1,270,975.80 × 216,231.56
  4. Step 4: Simplify right side
    847,317.80x = 274,825,079,956.25
  5. Step 5: Solve for x
    x = 274,825,079,956.25/847,317.80
  6. Step 6: Final answer
    x = 324,347.11

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1.5x scale

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.