Finding the Fourth Proportional to 912,887.49, 1,259,360.28 and 590,701.62
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Solution
The fourth proportional to 912,887.49, 1,259,360.28 and 590,701.62 is: 814,893.58
Step by Step Solution
- Step 1: Write the proportion equation
912,887.49 : 1,259,360.28 = 590,701.62 : x - Step 2: Convert to fraction form
912,887.49/1,259,360.28 = 590,701.62/x - Step 3: Cross multiply
912,887.49x = 1,259,360.28 × 590,701.62 - Step 4: Simplify right side
912,887.49x = 743,906,157,559.65 - Step 5: Solve for x
x = 743,906,157,559.65/912,887.49 - Step 6: Final answer
x = 814,893.58
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1.5x scale
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.