Finding the Fourth Proportional to 912,889.49, 1,259,363.04 and 590,703.62
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Solution
The fourth proportional to 912,889.49, 1,259,363.04 and 590,703.62 is: 814,896.34
Step by Step Solution
- Step 1: Write the proportion equation
912,889.49 : 1,259,363.04 = 590,703.62 : x - Step 2: Convert to fraction form
912,889.49/1,259,363.04 = 590,703.62/x - Step 3: Cross multiply
912,889.49x = 1,259,363.04 × 590,703.62 - Step 4: Simplify right side
912,889.49x = 743,910,306,622.21 - Step 5: Solve for x
x = 743,910,306,622.21/912,889.49 - Step 6: Final answer
x = 814,896.34
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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.