Home / 702,648.56-1,054,140.78-229,334.78

Finding the Fourth Proportional to 702,648.56, 1,054,140.78 and 229,334.78

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Solution

The fourth proportional to 702,648.56, 1,054,140.78 and 229,334.78 is: 344,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,648.56 : 1,054,140.78 = 229,334.78 : x
  2. Step 2: Convert to fraction form
    702,648.56/1,054,140.78 = 229,334.78/x
  3. Step 3: Cross multiply
    702,648.56x = 1,054,140.78 × 229,334.78
  4. Step 4: Simplify right side
    702,648.56x = 241,751,143,870.33
  5. Step 5: Solve for x
    x = 241,751,143,870.33/702,648.56
  6. Step 6: Final answer
    x = 344,056.98

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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.