Home / 538,984.68-743,802.40-297,273.80

Finding the Fourth Proportional to 538,984.68, 743,802.40 and 297,273.80

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Solution

The fourth proportional to 538,984.68, 743,802.40 and 297,273.80 is: 410,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,984.68 : 743,802.40 = 297,273.80 : x
  2. Step 2: Convert to fraction form
    538,984.68/743,802.40 = 297,273.80/x
  3. Step 3: Cross multiply
    538,984.68x = 743,802.40 × 297,273.80
  4. Step 4: Simplify right side
    538,984.68x = 221,112,965,897.12
  5. Step 5: Solve for x
    x = 221,112,965,897.12/538,984.68
  6. Step 6: Final answer
    x = 410,239.80

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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.