Home / 788,725.98-1,183,288.55-220,107.02

Finding the Fourth Proportional to 788,725.98, 1,183,288.55 and 220,107.02

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Solution

The fourth proportional to 788,725.98, 1,183,288.55 and 220,107.02 is: 330,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,725.98 : 1,183,288.55 = 220,107.02 : x
  2. Step 2: Convert to fraction form
    788,725.98/1,183,288.55 = 220,107.02/x
  3. Step 3: Cross multiply
    788,725.98x = 1,183,288.55 × 220,107.02
  4. Step 4: Simplify right side
    788,725.98x = 260,450,109,523.64
  5. Step 5: Solve for x
    x = 260,450,109,523.64/788,725.98
  6. Step 6: Final answer
    x = 330,216.22

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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.