Finding the Fourth Proportional to 864,392.63, 1,296,592.06 and 265,353.82
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Solution
The fourth proportional to 864,392.63, 1,296,592.06 and 265,353.82 is: 398,031.69
Step by Step Solution
- Step 1: Write the proportion equation
864,392.63 : 1,296,592.06 = 265,353.82 : x - Step 2: Convert to fraction form
864,392.63/1,296,592.06 = 265,353.82/x - Step 3: Cross multiply
864,392.63x = 1,296,592.06 × 265,353.82 - Step 4: Simplify right side
864,392.63x = 344,055,659,988.67 - Step 5: Solve for x
x = 344,055,659,988.67/864,392.63 - Step 6: Final answer
x = 398,031.69
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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.