Home / 680,570.44-1,021,003.26-207,243.40

Finding the Fourth Proportional to 680,570.44, 1,021,003.26 and 207,243.40

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Solution

The fourth proportional to 680,570.44, 1,021,003.26 and 207,243.40 is: 310,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,570.44 : 1,021,003.26 = 207,243.40 : x
  2. Step 2: Convert to fraction form
    680,570.44/1,021,003.26 = 207,243.40/x
  3. Step 3: Cross multiply
    680,570.44x = 1,021,003.26 × 207,243.40
  4. Step 4: Simplify right side
    680,570.44x = 211,596,187,013.48
  5. Step 5: Solve for x
    x = 211,596,187,013.48/680,570.44
  6. Step 6: Final answer
    x = 310,910.05

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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.