Home / 697,274.80-1,045,912.20-667,750.30

Finding the Fourth Proportional to 697,274.80, 1,045,912.20 and 667,750.30

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Solution

The fourth proportional to 697,274.80, 1,045,912.20 and 667,750.30 is: 1,001,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,274.80 : 1,045,912.20 = 667,750.30 : x
  2. Step 2: Convert to fraction form
    697,274.80/1,045,912.20 = 667,750.30/x
  3. Step 3: Cross multiply
    697,274.80x = 1,045,912.20 × 667,750.30
  4. Step 4: Simplify right side
    697,274.80x = 698,408,185,323.66
  5. Step 5: Solve for x
    x = 698,408,185,323.66/697,274.80
  6. Step 6: Final answer
    x = 1,001,625.45

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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.