Finding the Fourth Proportional to 845,905.82, 1,167,347.68 and 483,442.16
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Solution
The fourth proportional to 845,905.82, 1,167,347.68 and 483,442.16 is: 667,148.84
Step by Step Solution
- Step 1: Write the proportion equation
845,905.82 : 1,167,347.68 = 483,442.16 : x - Step 2: Convert to fraction form
845,905.82/1,167,347.68 = 483,442.16/x - Step 3: Cross multiply
845,905.82x = 1,167,347.68 × 483,442.16 - Step 4: Simplify right side
845,905.82x = 564,345,083,890.19 - Step 5: Solve for x
x = 564,345,083,890.19/845,905.82 - Step 6: Final answer
x = 667,148.84
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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.