Home / 680,295.57-1,020,590.98-206,968.63

Finding the Fourth Proportional to 680,295.57, 1,020,590.98 and 206,968.63

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Solution

The fourth proportional to 680,295.57, 1,020,590.98 and 206,968.63 is: 310,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,295.57 : 1,020,590.98 = 206,968.63 : x
  2. Step 2: Convert to fraction form
    680,295.57/1,020,590.98 = 206,968.63/x
  3. Step 3: Cross multiply
    680,295.57x = 1,020,590.98 × 206,968.63
  4. Step 4: Simplify right side
    680,295.57x = 211,230,316,920.96
  5. Step 5: Solve for x
    x = 211,230,316,920.96/680,295.57
  6. Step 6: Final answer
    x = 310,497.86

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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.