Finding the Fourth Proportional to 863,058.24, 1,293,405.12 and 547,736.40
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Solution
The fourth proportional to 863,058.24, 1,293,405.12 and 547,736.40 is: 820,854.30
Step by Step Solution
- Step 1: Write the proportion equation
863,058.24 : 1,293,405.12 = 547,736.40 : x - Step 2: Convert to fraction form
863,058.24/1,293,405.12 = 547,736.40/x - Step 3: Cross multiply
863,058.24x = 1,293,405.12 × 547,736.40 - Step 4: Simplify right side
863,058.24x = 708,445,064,170.37 - Step 5: Solve for x
x = 708,445,064,170.37/863,058.24 - Step 6: Final answer
x = 820,854.30
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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.