Finding the Fourth Proportional to 713,531.14, 1,070,192.93 and 207,956.40
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Solution
The fourth proportional to 713,531.14, 1,070,192.93 and 207,956.40 is: 311,904.35
Step by Step Solution
- Step 1: Write the proportion equation
713,531.14 : 1,070,192.93 = 207,956.40 : x - Step 2: Convert to fraction form
713,531.14/1,070,192.93 = 207,956.40/x - Step 3: Cross multiply
713,531.14x = 1,070,192.93 × 207,956.40 - Step 4: Simplify right side
713,531.14x = 222,553,469,028.25 - Step 5: Solve for x
x = 222,553,469,028.25/713,531.14 - Step 6: Final answer
x = 311,904.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.