Home / 780,452.37-1,170,880.55-240,696.72

Finding the Fourth Proportional to 780,452.37, 1,170,880.55 and 240,696.72

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Solution

The fourth proportional to 780,452.37, 1,170,880.55 and 240,696.72 is: 361,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,452.37 : 1,170,880.55 = 240,696.72 : x
  2. Step 2: Convert to fraction form
    780,452.37/1,170,880.55 = 240,696.72/x
  3. Step 3: Cross multiply
    780,452.37x = 1,170,880.55 × 240,696.72
  4. Step 4: Simplify right side
    780,452.37x = 281,827,106,693.31
  5. Step 5: Solve for x
    x = 281,827,106,693.31/780,452.37
  6. Step 6: Final answer
    x = 361,107.38

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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.