Home / 809,304.84-1,214,089.20-303,905.16

Finding the Fourth Proportional to 809,304.84, 1,214,089.20 and 303,905.16

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Solution

The fourth proportional to 809,304.84, 1,214,089.20 and 303,905.16 is: 455,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,304.84 : 1,214,089.20 = 303,905.16 : x
  2. Step 2: Convert to fraction form
    809,304.84/1,214,089.20 = 303,905.16/x
  3. Step 3: Cross multiply
    809,304.84x = 1,214,089.20 × 303,905.16
  4. Step 4: Simplify right side
    809,304.84x = 368,967,972,580.27
  5. Step 5: Solve for x
    x = 368,967,972,580.27/809,304.84
  6. Step 6: Final answer
    x = 455,907.29

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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.