Finding the Fourth Proportional to 940,406.79, 1,298,158.62 and 634,896.97
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Solution
The fourth proportional to 940,406.79, 1,298,158.62 and 634,896.97 is: 876,426.00
Step by Step Solution
- Step 1: Write the proportion equation
940,406.79 : 1,298,158.62 = 634,896.97 : x - Step 2: Convert to fraction form
940,406.79/1,298,158.62 = 634,896.97/x - Step 3: Cross multiply
940,406.79x = 1,298,158.62 × 634,896.97 - Step 4: Simplify right side
940,406.79x = 824,196,968,791.12 - Step 5: Solve for x
x = 824,196,968,791.12/940,406.79 - Step 6: Final answer
x = 876,426.00
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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.