Home / 680,095.17-1,020,199.86-206,784.63

Finding the Fourth Proportional to 680,095.17, 1,020,199.86 and 206,784.63

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Solution

The fourth proportional to 680,095.17, 1,020,199.86 and 206,784.63 is: 310,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,095.17 : 1,020,199.86 = 206,784.63 : x
  2. Step 2: Convert to fraction form
    680,095.17/1,020,199.86 = 206,784.63/x
  3. Step 3: Cross multiply
    680,095.17x = 1,020,199.86 × 206,784.63
  4. Step 4: Simplify right side
    680,095.17x = 210,961,650,576.15
  5. Step 5: Solve for x
    x = 210,961,650,576.15/680,095.17
  6. Step 6: Final answer
    x = 310,194.31

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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.