Finding the Fourth Proportional to 805,729.09, 1,206,260.70 and 606,887.05
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Solution
The fourth proportional to 805,729.09, 1,206,260.70 and 606,887.05 is: 908,573.37
Step by Step Solution
- Step 1: Write the proportion equation
805,729.09 : 1,206,260.70 = 606,887.05 : x - Step 2: Convert to fraction form
805,729.09/1,206,260.70 = 606,887.05/x - Step 3: Cross multiply
805,729.09x = 1,206,260.70 × 606,887.05 - Step 4: Simplify right side
805,729.09x = 732,063,997,753.94 - Step 5: Solve for x
x = 732,063,997,753.94/805,729.09 - Step 6: Final answer
x = 908,573.37
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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.