Finding the Fourth Proportional to 579,072.48, 868,471.44 and 326,464.80
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Solution
The fourth proportional to 579,072.48, 868,471.44 and 326,464.80 is: 489,619.81
Step by Step Solution
- Step 1: Write the proportion equation
579,072.48 : 868,471.44 = 326,464.80 : x - Step 2: Convert to fraction form
579,072.48/868,471.44 = 326,464.80/x - Step 3: Cross multiply
579,072.48x = 868,471.44 × 326,464.80 - Step 4: Simplify right side
579,072.48x = 283,525,354,965.31 - Step 5: Solve for x
x = 283,525,354,965.31/579,072.48 - Step 6: Final answer
x = 489,619.81
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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.