Finding the Fourth Proportional to 782,794.13, 1,173,821.09 and 303,246.53
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Solution
The fourth proportional to 782,794.13, 1,173,821.09 and 303,246.53 is: 454,726.41
Step by Step Solution
- Step 1: Write the proportion equation
782,794.13 : 1,173,821.09 = 303,246.53 : x - Step 2: Convert to fraction form
782,794.13/1,173,821.09 = 303,246.53/x - Step 3: Cross multiply
782,794.13x = 1,173,821.09 × 303,246.53 - Step 4: Simplify right side
782,794.13x = 355,957,164,997.98 - Step 5: Solve for x
x = 355,957,164,997.98/782,794.13 - Step 6: Final answer
x = 454,726.41
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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.