Finding the Fourth Proportional to 713,175.70, 1,069,812.77 and 207,740.88
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Solution
The fourth proportional to 713,175.70, 1,069,812.77 and 207,740.88 is: 311,625.66
Step by Step Solution
- Step 1: Write the proportion equation
713,175.70 : 1,069,812.77 = 207,740.88 : x - Step 2: Convert to fraction form
713,175.70/1,069,812.77 = 207,740.88/x - Step 3: Cross multiply
713,175.70x = 1,069,812.77 × 207,740.88 - Step 4: Simplify right side
713,175.70x = 222,243,846,275.04 - Step 5: Solve for x
x = 222,243,846,275.04/713,175.70 - Step 6: Final answer
x = 311,625.66
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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.