Home / 628,753.44-942,561.40-229,300.64

Finding the Fourth Proportional to 628,753.44, 942,561.40 and 229,300.64

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Solution

The fourth proportional to 628,753.44, 942,561.40 and 229,300.64 is: 343,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,753.44 : 942,561.40 = 229,300.64 : x
  2. Step 2: Convert to fraction form
    628,753.44/942,561.40 = 229,300.64/x
  3. Step 3: Cross multiply
    628,753.44x = 942,561.40 × 229,300.64
  4. Step 4: Simplify right side
    628,753.44x = 216,129,932,259.30
  5. Step 5: Solve for x
    x = 216,129,932,259.30/628,753.44
  6. Step 6: Final answer
    x = 343,743.54

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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.