Finding the Fourth Proportional to 517,304.40, 713,873.19 and 290,949.90
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Solution
The fourth proportional to 517,304.40, 713,873.19 and 290,949.90 is: 401,506.99
Step by Step Solution
- Step 1: Write the proportion equation
517,304.40 : 713,873.19 = 290,949.90 : x - Step 2: Convert to fraction form
517,304.40/713,873.19 = 290,949.90/x - Step 3: Cross multiply
517,304.40x = 713,873.19 × 290,949.90 - Step 4: Simplify right side
517,304.40x = 207,701,333,243.18 - Step 5: Solve for x
x = 207,701,333,243.18/517,304.40 - Step 6: Final answer
x = 401,506.99
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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.