Home / 679,133.80-1,017,956.70-341,636.20

Finding the Fourth Proportional to 679,133.80, 1,017,956.70 and 341,636.20

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Solution

The fourth proportional to 679,133.80, 1,017,956.70 and 341,636.20 is: 512,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,133.80 : 1,017,956.70 = 341,636.20 : x
  2. Step 2: Convert to fraction form
    679,133.80/1,017,956.70 = 341,636.20/x
  3. Step 3: Cross multiply
    679,133.80x = 1,017,956.70 × 341,636.20
  4. Step 4: Simplify right side
    679,133.80x = 347,770,858,752.54
  5. Step 5: Solve for x
    x = 347,770,858,752.54/679,133.80
  6. Step 6: Final answer
    x = 512,080.03

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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.