Finding the Fourth Proportional to 713,116.09, 1,069,902.74 and 207,707.46
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Solution
The fourth proportional to 713,116.09, 1,069,902.74 and 207,707.46 is: 311,627.78
Step by Step Solution
- Step 1: Write the proportion equation
713,116.09 : 1,069,902.74 = 207,707.46 : x - Step 2: Convert to fraction form
713,116.09/1,069,902.74 = 207,707.46/x - Step 3: Cross multiply
713,116.09x = 1,069,902.74 × 207,707.46 - Step 4: Simplify right side
713,116.09x = 222,226,780,572.44 - Step 5: Solve for x
x = 222,226,780,572.44/713,116.09 - Step 6: Final answer
x = 311,627.78
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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.