Home / 680,056.96-1,020,048.51-206,705.41

Finding the Fourth Proportional to 680,056.96, 1,020,048.51 and 206,705.41

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Solution

The fourth proportional to 680,056.96, 1,020,048.51 and 206,705.41 is: 310,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,056.96 : 1,020,048.51 = 206,705.41 : x
  2. Step 2: Convert to fraction form
    680,056.96/1,020,048.51 = 206,705.41/x
  3. Step 3: Cross multiply
    680,056.96x = 1,020,048.51 × 206,705.41
  4. Step 4: Simplify right side
    680,056.96x = 210,849,545,479.44
  5. Step 5: Solve for x
    x = 210,849,545,479.44/680,056.96
  6. Step 6: Final answer
    x = 310,046.89

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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.