Home / 538,905.36-743,679.05-297,210.27

Finding the Fourth Proportional to 538,905.36, 743,679.05 and 297,210.27

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Solution

The fourth proportional to 538,905.36, 743,679.05 and 297,210.27 is: 410,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,905.36 : 743,679.05 = 297,210.27 : x
  2. Step 2: Convert to fraction form
    538,905.36/743,679.05 = 297,210.27/x
  3. Step 3: Cross multiply
    538,905.36x = 743,679.05 × 297,210.27
  4. Step 4: Simplify right side
    538,905.36x = 221,029,049,757.79
  5. Step 5: Solve for x
    x = 221,029,049,757.79/538,905.36
  6. Step 6: Final answer
    x = 410,144.46

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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.