Finding the Fourth Proportional to 745,759.63, 1,029,112.86 and 423,427.42
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Solution
The fourth proportional to 745,759.63, 1,029,112.86 and 423,427.42 is: 584,309.72
Step by Step Solution
- Step 1: Write the proportion equation
745,759.63 : 1,029,112.86 = 423,427.42 : x - Step 2: Convert to fraction form
745,759.63/1,029,112.86 = 423,427.42/x - Step 3: Cross multiply
745,759.63x = 1,029,112.86 × 423,427.42 - Step 4: Simplify right side
745,759.63x = 435,754,603,198.62 - Step 5: Solve for x
x = 435,754,603,198.62/745,759.63 - Step 6: Final answer
x = 584,309.72
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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.