Finding the Fourth Proportional to 940,405.91, 1,298,157.40 and 634,896.09
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Solution
The fourth proportional to 940,405.91, 1,298,157.40 and 634,896.09 is: 876,424.80
Step by Step Solution
- Step 1: Write the proportion equation
940,405.91 : 1,298,157.40 = 634,896.09 : x - Step 2: Convert to fraction form
940,405.91/1,298,157.40 = 634,896.09/x - Step 3: Cross multiply
940,405.91x = 1,298,157.40 × 634,896.09 - Step 4: Simplify right side
940,405.91x = 824,195,059,122.72 - Step 5: Solve for x
x = 824,195,059,122.72/940,405.91 - Step 6: Final answer
x = 876,424.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.