Home / 639,097.36-882,032.48-367,164.80

Finding the Fourth Proportional to 639,097.36, 882,032.48 and 367,164.80

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Solution

The fourth proportional to 639,097.36, 882,032.48 and 367,164.80 is: 506,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,097.36 : 882,032.48 = 367,164.80 : x
  2. Step 2: Convert to fraction form
    639,097.36/882,032.48 = 367,164.80/x
  3. Step 3: Cross multiply
    639,097.36x = 882,032.48 × 367,164.80
  4. Step 4: Simplify right side
    639,097.36x = 323,851,279,112.70
  5. Step 5: Solve for x
    x = 323,851,279,112.70/639,097.36
  6. Step 6: Final answer
    x = 506,732.31

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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.