Home / 680,550.02-1,020,701.09-200,678.48

Finding the Fourth Proportional to 680,550.02, 1,020,701.09 and 200,678.48

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Solution

The fourth proportional to 680,550.02, 1,020,701.09 and 200,678.48 is: 300,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,550.02 : 1,020,701.09 = 200,678.48 : x
  2. Step 2: Convert to fraction form
    680,550.02/1,020,701.09 = 200,678.48/x
  3. Step 3: Cross multiply
    680,550.02x = 1,020,701.09 × 200,678.48
  4. Step 4: Simplify right side
    680,550.02x = 204,832,737,168.65
  5. Step 5: Solve for x
    x = 204,832,737,168.65/680,550.02
  6. Step 6: Final answer
    x = 300,981.17

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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.