Finding the Fourth Proportional to 922,639.23, 1,273,244.04 and 514,730.88
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Solution
The fourth proportional to 922,639.23, 1,273,244.04 and 514,730.88 is: 710,329.68
Step by Step Solution
- Step 1: Write the proportion equation
922,639.23 : 1,273,244.04 = 514,730.88 : x - Step 2: Convert to fraction form
922,639.23/1,273,244.04 = 514,730.88/x - Step 3: Cross multiply
922,639.23x = 1,273,244.04 × 514,730.88 - Step 4: Simplify right side
922,639.23x = 655,378,025,163.96 - Step 5: Solve for x
x = 655,378,025,163.96/922,639.23 - Step 6: Final answer
x = 710,329.68
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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.