Home / 680,297.76-1,020,594.26-206,970.81

Finding the Fourth Proportional to 680,297.76, 1,020,594.26 and 206,970.81

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Solution

The fourth proportional to 680,297.76, 1,020,594.26 and 206,970.81 is: 310,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,297.76 : 1,020,594.26 = 206,970.81 : x
  2. Step 2: Convert to fraction form
    680,297.76/1,020,594.26 = 206,970.81/x
  3. Step 3: Cross multiply
    680,297.76x = 1,020,594.26 × 206,970.81
  4. Step 4: Simplify right side
    680,297.76x = 211,233,222,190.18
  5. Step 5: Solve for x
    x = 211,233,222,190.18/680,297.76
  6. Step 6: Final answer
    x = 310,501.13

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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.