Finding the Fourth Proportional to 894,775.28, 1,234,804.64 and 486,879.19
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Solution
The fourth proportional to 894,775.28, 1,234,804.64 and 486,879.19 is: 671,901.31
Step by Step Solution
- Step 1: Write the proportion equation
894,775.28 : 1,234,804.64 = 486,879.19 : x - Step 2: Convert to fraction form
894,775.28/1,234,804.64 = 486,879.19/x - Step 3: Cross multiply
894,775.28x = 1,234,804.64 × 486,879.19 - Step 4: Simplify right side
894,775.28x = 601,200,677,410.03 - Step 5: Solve for x
x = 601,200,677,410.03/894,775.28 - Step 6: Final answer
x = 671,901.31
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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.