Home / 678,676.68-1,017,846.90-229,387.62

Finding the Fourth Proportional to 678,676.68, 1,017,846.90 and 229,387.62

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Solution

The fourth proportional to 678,676.68, 1,017,846.90 and 229,387.62 is: 344,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,676.68 : 1,017,846.90 = 229,387.62 : x
  2. Step 2: Convert to fraction form
    678,676.68/1,017,846.90 = 229,387.62/x
  3. Step 3: Cross multiply
    678,676.68x = 1,017,846.90 × 229,387.62
  4. Step 4: Simplify right side
    678,676.68x = 233,481,477,915.38
  5. Step 5: Solve for x
    x = 233,481,477,915.38/678,676.68
  6. Step 6: Final answer
    x = 344,024.61

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1.5x scale

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.