Finding the Fourth Proportional to 849,524.27, 1,172,343.68 and 462,341.21
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Solution
The fourth proportional to 849,524.27, 1,172,343.68 and 462,341.21 is: 638,030.96
Step by Step Solution
- Step 1: Write the proportion equation
849,524.27 : 1,172,343.68 = 462,341.21 : x - Step 2: Convert to fraction form
849,524.27/1,172,343.68 = 462,341.21/x - Step 3: Cross multiply
849,524.27x = 1,172,343.68 × 462,341.21 - Step 4: Simplify right side
849,524.27x = 542,022,787,373.63 - Step 5: Solve for x
x = 542,022,787,373.63/849,524.27 - Step 6: Final answer
x = 638,030.96
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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.