Finding the Fourth Proportional to 842,492.97, 1,264,238.82 and 310,387.37
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Solution
The fourth proportional to 842,492.97, 1,264,238.82 and 310,387.37 is: 465,765.02
Step by Step Solution
- Step 1: Write the proportion equation
842,492.97 : 1,264,238.82 = 310,387.37 : x - Step 2: Convert to fraction form
842,492.97/1,264,238.82 = 310,387.37/x - Step 3: Cross multiply
842,492.97x = 1,264,238.82 × 310,387.37 - Step 4: Simplify right side
842,492.97x = 392,403,756,070.51 - Step 5: Solve for x
x = 392,403,756,070.51/842,492.97 - Step 6: Final answer
x = 465,765.02
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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.