Home / 678,699.75-1,018,048.65-173,260.73

Finding the Fourth Proportional to 678,699.75, 1,018,048.65 and 173,260.73

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Solution

The fourth proportional to 678,699.75, 1,018,048.65 and 173,260.73 is: 259,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,699.75 : 1,018,048.65 = 173,260.73 : x
  2. Step 2: Convert to fraction form
    678,699.75/1,018,048.65 = 173,260.73/x
  3. Step 3: Cross multiply
    678,699.75x = 1,018,048.65 × 173,260.73
  4. Step 4: Simplify right side
    678,699.75x = 176,387,847,184.27
  5. Step 5: Solve for x
    x = 176,387,847,184.27/678,699.75
  6. Step 6: Final answer
    x = 259,890.84

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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.