Finding the Fourth Proportional to 865,165.12, 1,193,754.48 and 483,133.12
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Solution
The fourth proportional to 865,165.12, 1,193,754.48 and 483,133.12 is: 666,626.88
Step by Step Solution
- Step 1: Write the proportion equation
865,165.12 : 1,193,754.48 = 483,133.12 : x - Step 2: Convert to fraction form
865,165.12/1,193,754.48 = 483,133.12/x - Step 3: Cross multiply
865,165.12x = 1,193,754.48 × 483,133.12 - Step 4: Simplify right side
865,165.12x = 576,742,326,436.38 - Step 5: Solve for x
x = 576,742,326,436.38/865,165.12 - Step 6: Final answer
x = 666,626.88
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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.