Home / 680,040.03-1,020,023.13-206,688.49

Finding the Fourth Proportional to 680,040.03, 1,020,023.13 and 206,688.49

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Solution

The fourth proportional to 680,040.03, 1,020,023.13 and 206,688.49 is: 310,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,040.03 : 1,020,023.13 = 206,688.49 : x
  2. Step 2: Convert to fraction form
    680,040.03/1,020,023.13 = 206,688.49/x
  3. Step 3: Cross multiply
    680,040.03x = 1,020,023.13 × 206,688.49
  4. Step 4: Simplify right side
    680,040.03x = 210,827,034,371.22
  5. Step 5: Solve for x
    x = 210,827,034,371.22/680,040.03
  6. Step 6: Final answer
    x = 310,021.51

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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.