Finding the Fourth Proportional to 504,663.54, 696,412.26 and 289,652.28
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Solution
The fourth proportional to 504,663.54, 696,412.26 and 289,652.28 is: 399,706.70
Step by Step Solution
- Step 1: Write the proportion equation
504,663.54 : 696,412.26 = 289,652.28 : x - Step 2: Convert to fraction form
504,663.54/696,412.26 = 289,652.28/x - Step 3: Cross multiply
504,663.54x = 696,412.26 × 289,652.28 - Step 4: Simplify right side
504,663.54x = 201,717,398,928.95 - Step 5: Solve for x
x = 201,717,398,928.95/504,663.54 - Step 6: Final answer
x = 399,706.70
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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.