Home / 869,399.55-1,303,949.88-229,710.15

Finding the Fourth Proportional to 869,399.55, 1,303,949.88 and 229,710.15

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Solution

The fourth proportional to 869,399.55, 1,303,949.88 and 229,710.15 is: 344,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,399.55 : 1,303,949.88 = 229,710.15 : x
  2. Step 2: Convert to fraction form
    869,399.55/1,303,949.88 = 229,710.15/x
  3. Step 3: Cross multiply
    869,399.55x = 1,303,949.88 × 229,710.15
  4. Step 4: Simplify right side
    869,399.55x = 299,530,522,527.28
  5. Step 5: Solve for x
    x = 299,530,522,527.28/869,399.55
  6. Step 6: Final answer
    x = 344,525.74

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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.