Home / 809,741.04-1,213,955.16-336,780.48

Finding the Fourth Proportional to 809,741.04, 1,213,955.16 and 336,780.48

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Solution

The fourth proportional to 809,741.04, 1,213,955.16 and 336,780.48 is: 504,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,741.04 : 1,213,955.16 = 336,780.48 : x
  2. Step 2: Convert to fraction form
    809,741.04/1,213,955.16 = 336,780.48/x
  3. Step 3: Cross multiply
    809,741.04x = 1,213,955.16 × 336,780.48
  4. Step 4: Simplify right side
    809,741.04x = 408,836,401,483.28
  5. Step 5: Solve for x
    x = 408,836,401,483.28/809,741.04
  6. Step 6: Final answer
    x = 504,897.72

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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.