Finding the Fourth Proportional to 857,487.56, 1,183,326.18 and 475,515.32
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Solution
The fourth proportional to 857,487.56, 1,183,326.18 and 475,515.32 is: 656,207.45
Step by Step Solution
- Step 1: Write the proportion equation
857,487.56 : 1,183,326.18 = 475,515.32 : x - Step 2: Convert to fraction form
857,487.56/1,183,326.18 = 475,515.32/x - Step 3: Cross multiply
857,487.56x = 1,183,326.18 × 475,515.32 - Step 4: Simplify right side
857,487.56x = 562,689,727,147.08 - Step 5: Solve for x
x = 562,689,727,147.08/857,487.56 - Step 6: Final answer
x = 656,207.45
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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.