Home / 680,295.08-1,020,590.25-206,968.14

Finding the Fourth Proportional to 680,295.08, 1,020,590.25 and 206,968.14

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Solution

The fourth proportional to 680,295.08, 1,020,590.25 and 206,968.14 is: 310,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,295.08 : 1,020,590.25 = 206,968.14 : x
  2. Step 2: Convert to fraction form
    680,295.08/1,020,590.25 = 206,968.14/x
  3. Step 3: Cross multiply
    680,295.08x = 1,020,590.25 × 206,968.14
  4. Step 4: Simplify right side
    680,295.08x = 211,229,665,744.64
  5. Step 5: Solve for x
    x = 211,229,665,744.64/680,295.08
  6. Step 6: Final answer
    x = 310,497.12

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1.5x scale

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.