Home / 964,963.80-1,448,136.90-404,400.60

Finding the Fourth Proportional to 964,963.80, 1,448,136.90 and 404,400.60

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Solution

The fourth proportional to 964,963.80, 1,448,136.90 and 404,400.60 is: 606,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,963.80 : 1,448,136.90 = 404,400.60 : x
  2. Step 2: Convert to fraction form
    964,963.80/1,448,136.90 = 404,400.60/x
  3. Step 3: Cross multiply
    964,963.80x = 1,448,136.90 × 404,400.60
  4. Step 4: Simplify right side
    964,963.80x = 585,627,431,242.14
  5. Step 5: Solve for x
    x = 585,627,431,242.14/964,963.80
  6. Step 6: Final answer
    x = 606,890.57

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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.