Home / 678,879.54-1,018,450.62-229,673.58

Finding the Fourth Proportional to 678,879.54, 1,018,450.62 and 229,673.58

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Solution

The fourth proportional to 678,879.54, 1,018,450.62 and 229,673.58 is: 344,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,879.54 : 1,018,450.62 = 229,673.58 : x
  2. Step 2: Convert to fraction form
    678,879.54/1,018,450.62 = 229,673.58/x
  3. Step 3: Cross multiply
    678,879.54x = 1,018,450.62 × 229,673.58
  4. Step 4: Simplify right side
    678,879.54x = 233,911,199,948.62
  5. Step 5: Solve for x
    x = 233,911,199,948.62/678,879.54
  6. Step 6: Final answer
    x = 344,554.79

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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.