Home / 809,210.34-1,213,946.91-303,811.02

Finding the Fourth Proportional to 809,210.34, 1,213,946.91 and 303,811.02

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Solution

The fourth proportional to 809,210.34, 1,213,946.91 and 303,811.02 is: 455,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,210.34 : 1,213,946.91 = 303,811.02 : x
  2. Step 2: Convert to fraction form
    809,210.34/1,213,946.91 = 303,811.02/x
  3. Step 3: Cross multiply
    809,210.34x = 1,213,946.91 × 303,811.02
  4. Step 4: Simplify right side
    809,210.34x = 368,810,448,952.95
  5. Step 5: Solve for x
    x = 368,810,448,952.95/809,210.34
  6. Step 6: Final answer
    x = 455,765.86

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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.