Home / 809,211.34-1,213,948.41-303,812.02

Finding the Fourth Proportional to 809,211.34, 1,213,948.41 and 303,812.02

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Solution

The fourth proportional to 809,211.34, 1,213,948.41 and 303,812.02 is: 455,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,211.34 : 1,213,948.41 = 303,812.02 : x
  2. Step 2: Convert to fraction form
    809,211.34/1,213,948.41 = 303,812.02/x
  3. Step 3: Cross multiply
    809,211.34x = 1,213,948.41 × 303,812.02
  4. Step 4: Simplify right side
    809,211.34x = 368,812,118,617.89
  5. Step 5: Solve for x
    x = 368,812,118,617.89/809,211.34
  6. Step 6: Final answer
    x = 455,767.36

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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.