Finding the Fourth Proportional to 815,760.61, 1,125,853.44 and 493,473.02
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Solution
The fourth proportional to 815,760.61, 1,125,853.44 and 493,473.02 is: 681,055.55
Step by Step Solution
- Step 1: Write the proportion equation
815,760.61 : 1,125,853.44 = 493,473.02 : x - Step 2: Convert to fraction form
815,760.61/1,125,853.44 = 493,473.02/x - Step 3: Cross multiply
815,760.61x = 1,125,853.44 × 493,473.02 - Step 4: Simplify right side
815,760.61x = 555,578,292,410.18 - Step 5: Solve for x
x = 555,578,292,410.18/815,760.61 - Step 6: Final answer
x = 681,055.55
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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.