Finding the Fourth Proportional to 927,686.56, 1,391,173.44 and 328,537.12
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Solution
The fourth proportional to 927,686.56, 1,391,173.44 and 328,537.12 is: 492,679.46
Step by Step Solution
- Step 1: Write the proportion equation
927,686.56 : 1,391,173.44 = 328,537.12 : x - Step 2: Convert to fraction form
927,686.56/1,391,173.44 = 328,537.12/x - Step 3: Cross multiply
927,686.56x = 1,391,173.44 × 328,537.12 - Step 4: Simplify right side
927,686.56x = 457,052,115,398.09 - Step 5: Solve for x
x = 457,052,115,398.09/927,686.56 - Step 6: Final answer
x = 492,679.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.