Home / 775,872.90-1,163,809.35-214,907.40

Finding the Fourth Proportional to 775,872.90, 1,163,809.35 and 214,907.40

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Solution

The fourth proportional to 775,872.90, 1,163,809.35 and 214,907.40 is: 322,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,872.90 : 1,163,809.35 = 214,907.40 : x
  2. Step 2: Convert to fraction form
    775,872.90/1,163,809.35 = 214,907.40/x
  3. Step 3: Cross multiply
    775,872.90x = 1,163,809.35 × 214,907.40
  4. Step 4: Simplify right side
    775,872.90x = 250,111,241,504.19
  5. Step 5: Solve for x
    x = 250,111,241,504.19/775,872.90
  6. Step 6: Final answer
    x = 322,361.10

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Similar ratio
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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.