Finding the Fourth Proportional to 852,434.47, 1,176,342.88 and 465,252.66
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Solution
The fourth proportional to 852,434.47, 1,176,342.88 and 465,252.66 is: 642,039.56
Step by Step Solution
- Step 1: Write the proportion equation
852,434.47 : 1,176,342.88 = 465,252.66 : x - Step 2: Convert to fraction form
852,434.47/1,176,342.88 = 465,252.66/x - Step 3: Cross multiply
852,434.47x = 1,176,342.88 × 465,252.66 - Step 4: Simplify right side
852,434.47x = 547,296,652,828.93 - Step 5: Solve for x
x = 547,296,652,828.93/852,434.47 - Step 6: Final answer
x = 642,039.56
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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.