Home / 965,515.60-1,448,014.20-404,606.80

Finding the Fourth Proportional to 965,515.60, 1,448,014.20 and 404,606.80

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Solution

The fourth proportional to 965,515.60, 1,448,014.20 and 404,606.80 is: 606,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,515.60 : 1,448,014.20 = 404,606.80 : x
  2. Step 2: Convert to fraction form
    965,515.60/1,448,014.20 = 404,606.80/x
  3. Step 3: Cross multiply
    965,515.60x = 1,448,014.20 × 404,606.80
  4. Step 4: Simplify right side
    965,515.60x = 585,876,391,816.56
  5. Step 5: Solve for x
    x = 585,876,391,816.56/965,515.60
  6. Step 6: Final answer
    x = 606,801.58

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1.5x scale

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.