Home / 678,594.70-1,017,474.09-229,273.12

Finding the Fourth Proportional to 678,594.70, 1,017,474.09 and 229,273.12

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Solution

The fourth proportional to 678,594.70, 1,017,474.09 and 229,273.12 is: 343,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,594.70 : 1,017,474.09 = 229,273.12 : x
  2. Step 2: Convert to fraction form
    678,594.70/1,017,474.09 = 229,273.12/x
  3. Step 3: Cross multiply
    678,594.70x = 1,017,474.09 × 229,273.12
  4. Step 4: Simplify right side
    678,594.70x = 233,279,459,133.46
  5. Step 5: Solve for x
    x = 233,279,459,133.46/678,594.70
  6. Step 6: Final answer
    x = 343,768.47

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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.