Home / 680,816.94-1,021,377.06-207,539.16

Finding the Fourth Proportional to 680,816.94, 1,021,377.06 and 207,539.16

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Solution

The fourth proportional to 680,816.94, 1,021,377.06 and 207,539.16 is: 311,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,816.94 : 1,021,377.06 = 207,539.16 : x
  2. Step 2: Convert to fraction form
    680,816.94/1,021,377.06 = 207,539.16/x
  3. Step 3: Cross multiply
    680,816.94x = 1,021,377.06 × 207,539.16
  4. Step 4: Simplify right side
    680,816.94x = 211,975,737,075.67
  5. Step 5: Solve for x
    x = 211,975,737,075.67/680,816.94
  6. Step 6: Final answer
    x = 311,354.97

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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.