Finding the Fourth Proportional to 912,887.99, 1,259,360.97 and 590,702.12
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Solution
The fourth proportional to 912,887.99, 1,259,360.97 and 590,702.12 is: 814,894.27
Step by Step Solution
- Step 1: Write the proportion equation
912,887.99 : 1,259,360.97 = 590,702.12 : x - Step 2: Convert to fraction form
912,887.99/1,259,360.97 = 590,702.12/x - Step 3: Cross multiply
912,887.99x = 1,259,360.97 × 590,702.12 - Step 4: Simplify right side
912,887.99x = 743,907,194,824.26 - Step 5: Solve for x
x = 743,907,194,824.26/912,887.99 - Step 6: Final answer
x = 814,894.27
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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.