Finding the Fourth Proportional to 621,452.25, 857,605.02 and 366,803.44
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Solution
The fourth proportional to 621,452.25, 857,605.02 and 366,803.44 is: 506,189.28
Step by Step Solution
- Step 1: Write the proportion equation
621,452.25 : 857,605.02 = 366,803.44 : x - Step 2: Convert to fraction form
621,452.25/857,605.02 = 366,803.44/x - Step 3: Cross multiply
621,452.25x = 857,605.02 × 366,803.44 - Step 4: Simplify right side
621,452.25x = 314,572,467,977.74 - Step 5: Solve for x
x = 314,572,467,977.74/621,452.25 - Step 6: Final answer
x = 506,189.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.