Finding the Fourth Proportional to 686,927.14, 946,864.14 and 541,495.75
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Solution
The fourth proportional to 686,927.14, 946,864.14 and 541,495.75 is: 746,400.71
Step by Step Solution
- Step 1: Write the proportion equation
686,927.14 : 946,864.14 = 541,495.75 : x - Step 2: Convert to fraction form
686,927.14/946,864.14 = 541,495.75/x - Step 3: Cross multiply
686,927.14x = 946,864.14 × 541,495.75 - Step 4: Simplify right side
686,927.14x = 512,722,907,637.41 - Step 5: Solve for x
x = 512,722,907,637.41/686,927.14 - Step 6: Final answer
x = 746,400.71
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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.