Home / 850,080.22-1,173,108.78-462,889.60

Finding the Fourth Proportional to 850,080.22, 1,173,108.78 and 462,889.60

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Solution

The fourth proportional to 850,080.22, 1,173,108.78 and 462,889.60 is: 638,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,080.22 : 1,173,108.78 = 462,889.60 : x
  2. Step 2: Convert to fraction form
    850,080.22/1,173,108.78 = 462,889.60/x
  3. Step 3: Cross multiply
    850,080.22x = 1,173,108.78 × 462,889.60
  4. Step 4: Simplify right side
    850,080.22x = 543,019,853,930.69
  5. Step 5: Solve for x
    x = 543,019,853,930.69/850,080.22
  6. Step 6: Final answer
    x = 638,786.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.