Finding the Fourth Proportional to 878,277.26, 1,211,955.86 and 534,065.67
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Solution
The fourth proportional to 878,277.26, 1,211,955.86 and 534,065.67 is: 736,970.03
Step by Step Solution
- Step 1: Write the proportion equation
878,277.26 : 1,211,955.86 = 534,065.67 : x - Step 2: Convert to fraction form
878,277.26/1,211,955.86 = 534,065.67/x - Step 3: Cross multiply
878,277.26x = 1,211,955.86 × 534,065.67 - Step 4: Simplify right side
878,277.26x = 647,264,019,716.49 - Step 5: Solve for x
x = 647,264,019,716.49/878,277.26 - Step 6: Final answer
x = 736,970.03
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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.