Finding the Fourth Proportional to 926,472.24, 1,278,424.26 and 518,596.92
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Solution
The fourth proportional to 926,472.24, 1,278,424.26 and 518,596.92 is: 715,603.61
Step by Step Solution
- Step 1: Write the proportion equation
926,472.24 : 1,278,424.26 = 518,596.92 : x - Step 2: Convert to fraction form
926,472.24/1,278,424.26 = 518,596.92/x - Step 3: Cross multiply
926,472.24x = 1,278,424.26 × 518,596.92 - Step 4: Simplify right side
926,472.24x = 662,986,883,689.28 - Step 5: Solve for x
x = 662,986,883,689.28/926,472.24 - Step 6: Final answer
x = 715,603.61
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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.