Finding the Fourth Proportional to 862,545.91, 1,292,160.63 and 482,313.41
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Solution
The fourth proportional to 862,545.91, 1,292,160.63 and 482,313.41 is: 722,542.87
Step by Step Solution
- Step 1: Write the proportion equation
862,545.91 : 1,292,160.63 = 482,313.41 : x - Step 2: Convert to fraction form
862,545.91/1,292,160.63 = 482,313.41/x - Step 3: Cross multiply
862,545.91x = 1,292,160.63 × 482,313.41 - Step 4: Simplify right side
862,545.91x = 623,226,393,262.25 - Step 5: Solve for x
x = 623,226,393,262.25/862,545.91 - Step 6: Final answer
x = 722,542.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.