Home / 694,705.04-1,042,038.12-221,418.80

Finding the Fourth Proportional to 694,705.04, 1,042,038.12 and 221,418.80

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Solution

The fourth proportional to 694,705.04, 1,042,038.12 and 221,418.80 is: 332,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,705.04 : 1,042,038.12 = 221,418.80 : x
  2. Step 2: Convert to fraction form
    694,705.04/1,042,038.12 = 221,418.80/x
  3. Step 3: Cross multiply
    694,705.04x = 1,042,038.12 × 221,418.80
  4. Step 4: Simplify right side
    694,705.04x = 230,726,830,084.66
  5. Step 5: Solve for x
    x = 230,726,830,084.66/694,705.04
  6. Step 6: Final answer
    x = 332,122.00

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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.