Finding the Fourth Proportional to 852,497.60, 1,176,428.71 and 465,300.18
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Solution
The fourth proportional to 852,497.60, 1,176,428.71 and 465,300.18 is: 642,104.44
Step by Step Solution
- Step 1: Write the proportion equation
852,497.60 : 1,176,428.71 = 465,300.18 : x - Step 2: Convert to fraction form
852,497.60/1,176,428.71 = 465,300.18/x - Step 3: Cross multiply
852,497.60x = 1,176,428.71 × 465,300.18 - Step 4: Simplify right side
852,497.60x = 547,392,491,101.79 - Step 5: Solve for x
x = 547,392,491,101.79/852,497.60 - Step 6: Final answer
x = 642,104.44
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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.