Home / 850,419.56-1,173,661.98-635,186.36

Finding the Fourth Proportional to 850,419.56, 1,173,661.98 and 635,186.36

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Solution

The fourth proportional to 850,419.56, 1,173,661.98 and 635,186.36 is: 876,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,419.56 : 1,173,661.98 = 635,186.36 : x
  2. Step 2: Convert to fraction form
    850,419.56/1,173,661.98 = 635,186.36/x
  3. Step 3: Cross multiply
    850,419.56x = 1,173,661.98 × 635,186.36
  4. Step 4: Simplify right side
    850,419.56x = 745,494,080,946.59
  5. Step 5: Solve for x
    x = 745,494,080,946.59/850,419.56
  6. Step 6: Final answer
    x = 876,619.16

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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.