Home / 678,674.46-1,017,843.48-229,385.36

Finding the Fourth Proportional to 678,674.46, 1,017,843.48 and 229,385.36

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Solution

The fourth proportional to 678,674.46, 1,017,843.48 and 229,385.36 is: 344,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,674.46 : 1,017,843.48 = 229,385.36 : x
  2. Step 2: Convert to fraction form
    678,674.46/1,017,843.48 = 229,385.36/x
  3. Step 3: Cross multiply
    678,674.46x = 1,017,843.48 × 229,385.36
  4. Step 4: Simplify right side
    678,674.46x = 233,478,387,994.24
  5. Step 5: Solve for x
    x = 233,478,387,994.24/678,674.46
  6. Step 6: Final answer
    x = 344,021.18

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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.