Finding the Fourth Proportional to 752,522.91, 1,038,481.63 and 450,716.91
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Solution
The fourth proportional to 752,522.91, 1,038,481.63 and 450,716.91 is: 621,989.34
Step by Step Solution
- Step 1: Write the proportion equation
752,522.91 : 1,038,481.63 = 450,716.91 : x - Step 2: Convert to fraction form
752,522.91/1,038,481.63 = 450,716.91/x - Step 3: Cross multiply
752,522.91x = 1,038,481.63 × 450,716.91 - Step 4: Simplify right side
752,522.91x = 468,061,226,344.27 - Step 5: Solve for x
x = 468,061,226,344.27/752,522.91 - Step 6: Final answer
x = 621,989.34
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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.