Finding the Fourth Proportional to 926,639.37, 1,278,752.55 and 518,744.57
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Solution
The fourth proportional to 926,639.37, 1,278,752.55 and 518,744.57 is: 715,862.02
Step by Step Solution
- Step 1: Write the proportion equation
926,639.37 : 1,278,752.55 = 518,744.57 : x - Step 2: Convert to fraction form
926,639.37/1,278,752.55 = 518,744.57/x - Step 3: Cross multiply
926,639.37x = 1,278,752.55 × 518,744.57 - Step 4: Simplify right side
926,639.37x = 663,345,935,292.39 - Step 5: Solve for x
x = 663,345,935,292.39/926,639.37 - Step 6: Final answer
x = 715,862.02
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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.