Finding the Fourth Proportional to 887,759.95, 1,331,837.21 and 414,186.97
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Solution
The fourth proportional to 887,759.95, 1,331,837.21 and 414,186.97 is: 621,372.50
Step by Step Solution
- Step 1: Write the proportion equation
887,759.95 : 1,331,837.21 = 414,186.97 : x - Step 2: Convert to fraction form
887,759.95/1,331,837.21 = 414,186.97/x - Step 3: Cross multiply
887,759.95x = 1,331,837.21 × 414,186.97 - Step 4: Simplify right side
887,759.95x = 551,629,617,581.32 - Step 5: Solve for x
x = 551,629,617,581.32/887,759.95 - Step 6: Final answer
x = 621,372.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.