Home / 678,262.64-1,017,383.56-229,298.88

Finding the Fourth Proportional to 678,262.64, 1,017,383.56 and 229,298.88

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Solution

The fourth proportional to 678,262.64, 1,017,383.56 and 229,298.88 is: 343,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,262.64 : 1,017,383.56 = 229,298.88 : x
  2. Step 2: Convert to fraction form
    678,262.64/1,017,383.56 = 229,298.88/x
  3. Step 3: Cross multiply
    678,262.64x = 1,017,383.56 × 229,298.88
  4. Step 4: Simplify right side
    678,262.64x = 233,284,910,838.41
  5. Step 5: Solve for x
    x = 233,284,910,838.41/678,262.64
  6. Step 6: Final answer
    x = 343,944.80

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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.