Finding the Fourth Proportional to 912,861.66, 1,259,324.91 and 590,675.67
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Solution
The fourth proportional to 912,861.66, 1,259,324.91 and 590,675.67 is: 814,857.95
Step by Step Solution
- Step 1: Write the proportion equation
912,861.66 : 1,259,324.91 = 590,675.67 : x - Step 2: Convert to fraction form
912,861.66/1,259,324.91 = 590,675.67/x - Step 3: Cross multiply
912,861.66x = 1,259,324.91 × 590,675.67 - Step 4: Simplify right side
912,861.66x = 743,852,584,961.94 - Step 5: Solve for x
x = 743,852,584,961.94/912,861.66 - Step 6: Final answer
x = 814,857.95
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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.