Finding the Fourth Proportional to 624,979.71, 937,513.71 and 309,351.87
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Solution
The fourth proportional to 624,979.71, 937,513.71 and 309,351.87 is: 464,049.66
Step by Step Solution
- Step 1: Write the proportion equation
624,979.71 : 937,513.71 = 309,351.87 : x - Step 2: Convert to fraction form
624,979.71/937,513.71 = 309,351.87/x - Step 3: Cross multiply
624,979.71x = 937,513.71 × 309,351.87 - Step 4: Simplify right side
624,979.71x = 290,021,619,339.14 - Step 5: Solve for x
x = 290,021,619,339.14/624,979.71 - Step 6: Final answer
x = 464,049.66
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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.