Home / 494,229.89-740,814.18-209,680.28

Finding the Fourth Proportional to 494,229.89, 740,814.18 and 209,680.28

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Solution

The fourth proportional to 494,229.89, 740,814.18 and 209,680.28 is: 314,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,229.89 : 740,814.18 = 209,680.28 : x
  2. Step 2: Convert to fraction form
    494,229.89/740,814.18 = 209,680.28/x
  3. Step 3: Cross multiply
    494,229.89x = 740,814.18 × 209,680.28
  4. Step 4: Simplify right side
    494,229.89x = 155,334,124,690.37
  5. Step 5: Solve for x
    x = 155,334,124,690.37/494,229.89
  6. Step 6: Final answer
    x = 314,295.29

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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.