Finding the Fourth Proportional to 767,344.29, 1,058,896.31 and 423,240.09
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Solution
The fourth proportional to 767,344.29, 1,058,896.31 and 423,240.09 is: 584,049.92
Step by Step Solution
- Step 1: Write the proportion equation
767,344.29 : 1,058,896.31 = 423,240.09 : x - Step 2: Convert to fraction form
767,344.29/1,058,896.31 = 423,240.09/x - Step 3: Cross multiply
767,344.29x = 1,058,896.31 × 423,240.09 - Step 4: Simplify right side
767,344.29x = 448,167,367,428.87 - Step 5: Solve for x
x = 448,167,367,428.87/767,344.29 - Step 6: Final answer
x = 584,049.92
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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.