Finding the Fourth Proportional to 949,545.96, 1,310,373.39 and 519,826.09
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Solution
The fourth proportional to 949,545.96, 1,310,373.39 and 519,826.09 is: 717,359.98
Step by Step Solution
- Step 1: Write the proportion equation
949,545.96 : 1,310,373.39 = 519,826.09 : x - Step 2: Convert to fraction form
949,545.96/1,310,373.39 = 519,826.09/x - Step 3: Cross multiply
949,545.96x = 1,310,373.39 × 519,826.09 - Step 4: Simplify right side
949,545.96x = 681,166,273,970.09 - Step 5: Solve for x
x = 681,166,273,970.09/949,545.96 - Step 6: Final answer
x = 717,359.98
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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.