Finding the Fourth Proportional to 703,275.36, 970,517.61 and 380,985.09
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Solution
The fourth proportional to 703,275.36, 970,517.61 and 380,985.09 is: 525,758.13
Step by Step Solution
- Step 1: Write the proportion equation
703,275.36 : 970,517.61 = 380,985.09 : x - Step 2: Convert to fraction form
703,275.36/970,517.61 = 380,985.09/x - Step 3: Cross multiply
703,275.36x = 970,517.61 × 380,985.09 - Step 4: Simplify right side
703,275.36x = 369,752,738,992.44 - Step 5: Solve for x
x = 369,752,738,992.44/703,275.36 - Step 6: Final answer
x = 525,758.13
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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.