Home / 680,293.57-1,020,587.98-206,966.63

Finding the Fourth Proportional to 680,293.57, 1,020,587.98 and 206,966.63

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Solution

The fourth proportional to 680,293.57, 1,020,587.98 and 206,966.63 is: 310,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,293.57 : 1,020,587.98 = 206,966.63 : x
  2. Step 2: Convert to fraction form
    680,293.57/1,020,587.98 = 206,966.63/x
  3. Step 3: Cross multiply
    680,293.57x = 1,020,587.98 × 206,966.63
  4. Step 4: Simplify right side
    680,293.57x = 211,227,654,839.11
  5. Step 5: Solve for x
    x = 211,227,654,839.11/680,293.57
  6. Step 6: Final answer
    x = 310,494.86

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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.