Home / 628,679.03-942,449.96-229,226.38

Finding the Fourth Proportional to 628,679.03, 942,449.96 and 229,226.38

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Solution

The fourth proportional to 628,679.03, 942,449.96 and 229,226.38 is: 343,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,679.03 : 942,449.96 = 229,226.38 : x
  2. Step 2: Convert to fraction form
    628,679.03/942,449.96 = 229,226.38/x
  3. Step 3: Cross multiply
    628,679.03x = 942,449.96 × 229,226.38
  4. Step 4: Simplify right side
    628,679.03x = 216,034,389,159.69
  5. Step 5: Solve for x
    x = 216,034,389,159.69/628,679.03
  6. Step 6: Final answer
    x = 343,632.25

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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.