Home / 697,427.55-1,046,003.54-191,858.09

Finding the Fourth Proportional to 697,427.55, 1,046,003.54 and 191,858.09

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Solution

The fourth proportional to 697,427.55, 1,046,003.54 and 191,858.09 is: 287,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,427.55 : 1,046,003.54 = 191,858.09 : x
  2. Step 2: Convert to fraction form
    697,427.55/1,046,003.54 = 191,858.09/x
  3. Step 3: Cross multiply
    697,427.55x = 1,046,003.54 × 191,858.09
  4. Step 4: Simplify right side
    697,427.55x = 200,684,235,128.33
  5. Step 5: Solve for x
    x = 200,684,235,128.33/697,427.55
  6. Step 6: Final answer
    x = 287,749.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.