Finding the Fourth Proportional to 745,768.62, 1,029,112.19 and 439,774.82
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Solution
The fourth proportional to 745,768.62, 1,029,112.19 and 439,774.82 is: 606,860.65
Step by Step Solution
- Step 1: Write the proportion equation
745,768.62 : 1,029,112.19 = 439,774.82 : x - Step 2: Convert to fraction form
745,768.62/1,029,112.19 = 439,774.82/x - Step 3: Cross multiply
745,768.62x = 1,029,112.19 × 439,774.82 - Step 4: Simplify right side
745,768.62x = 452,577,626,280.95 - Step 5: Solve for x
x = 452,577,626,280.95/745,768.62 - Step 6: Final answer
x = 606,860.65
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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.