Home / 678,694.41-1,018,091.03-229,265.91

Finding the Fourth Proportional to 678,694.41, 1,018,091.03 and 229,265.91

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Solution

The fourth proportional to 678,694.41, 1,018,091.03 and 229,265.91 is: 343,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,694.41 : 1,018,091.03 = 229,265.91 : x
  2. Step 2: Convert to fraction form
    678,694.41/1,018,091.03 = 229,265.91/x
  3. Step 3: Cross multiply
    678,694.41x = 1,018,091.03 × 229,265.91
  4. Step 4: Simplify right side
    678,694.41x = 233,413,565,309.46
  5. Step 5: Solve for x
    x = 233,413,565,309.46/678,694.41
  6. Step 6: Final answer
    x = 343,915.56

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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.