Finding the Fourth Proportional to 504,691.44, 696,444.12 and 289,866.48
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Solution
The fourth proportional to 504,691.44, 696,444.12 and 289,866.48 is: 399,998.47
Step by Step Solution
- Step 1: Write the proportion equation
504,691.44 : 696,444.12 = 289,866.48 : x - Step 2: Convert to fraction form
504,691.44/696,444.12 = 289,866.48/x - Step 3: Cross multiply
504,691.44x = 696,444.12 × 289,866.48 - Step 4: Simplify right side
504,691.44x = 201,875,805,581.10 - Step 5: Solve for x
x = 201,875,805,581.10/504,691.44 - Step 6: Final answer
x = 399,998.47
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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.