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Finding the Fourth Proportional to 965,321.60, 1,448,546.88 and 404,309.12

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Solution

The fourth proportional to 965,321.60, 1,448,546.88 and 404,309.12 is: 606,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,321.60 : 1,448,546.88 = 404,309.12 : x
  2. Step 2: Convert to fraction form
    965,321.60/1,448,546.88 = 404,309.12/x
  3. Step 3: Cross multiply
    965,321.60x = 1,448,546.88 × 404,309.12
  4. Step 4: Simplify right side
    965,321.60x = 585,660,714,331.55
  5. Step 5: Solve for x
    x = 585,660,714,331.55/965,321.60
  6. Step 6: Final answer
    x = 606,700.10

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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.