Home / 816,207.75-1,224,333.54-255,242.25

Finding the Fourth Proportional to 816,207.75, 1,224,333.54 and 255,242.25

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Solution

The fourth proportional to 816,207.75, 1,224,333.54 and 255,242.25 is: 382,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,207.75 : 1,224,333.54 = 255,242.25 : x
  2. Step 2: Convert to fraction form
    816,207.75/1,224,333.54 = 255,242.25/x
  3. Step 3: Cross multiply
    816,207.75x = 1,224,333.54 × 255,242.25
  4. Step 4: Simplify right side
    816,207.75x = 312,501,647,500.07
  5. Step 5: Solve for x
    x = 312,501,647,500.07/816,207.75
  6. Step 6: Final answer
    x = 382,870.23

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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.