Home / 901,205.16-1,243,578.06-538,556.82

Finding the Fourth Proportional to 901,205.16, 1,243,578.06 and 538,556.82

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Solution

The fourth proportional to 901,205.16, 1,243,578.06 and 538,556.82 is: 743,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,205.16 : 1,243,578.06 = 538,556.82 : x
  2. Step 2: Convert to fraction form
    901,205.16/1,243,578.06 = 538,556.82/x
  3. Step 3: Cross multiply
    901,205.16x = 1,243,578.06 × 538,556.82
  4. Step 4: Simplify right side
    901,205.16x = 669,737,445,415.37
  5. Step 5: Solve for x
    x = 669,737,445,415.37/901,205.16
  6. Step 6: Final answer
    x = 743,157.58

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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.