Finding the Fourth Proportional to 910,744.75, 1,366,182.74 and 349,779.25
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Solution
The fourth proportional to 910,744.75, 1,366,182.74 and 349,779.25 is: 524,694.07
Step by Step Solution
- Step 1: Write the proportion equation
910,744.75 : 1,366,182.74 = 349,779.25 : x - Step 2: Convert to fraction form
910,744.75/1,366,182.74 = 349,779.25/x - Step 3: Cross multiply
910,744.75x = 1,366,182.74 × 349,779.25 - Step 4: Simplify right side
910,744.75x = 477,862,374,160.15 - Step 5: Solve for x
x = 477,862,374,160.15/910,744.75 - Step 6: Final answer
x = 524,694.07
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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.