Finding the Fourth Proportional to 857,891.27, 1,183,886.35 and 475,918.05
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Solution
The fourth proportional to 857,891.27, 1,183,886.35 and 475,918.05 is: 656,764.91
Step by Step Solution
- Step 1: Write the proportion equation
857,891.27 : 1,183,886.35 = 475,918.05 : x - Step 2: Convert to fraction form
857,891.27/1,183,886.35 = 475,918.05/x - Step 3: Cross multiply
857,891.27x = 1,183,886.35 × 475,918.05 - Step 4: Simplify right side
857,891.27x = 563,432,886,363.40 - Step 5: Solve for x
x = 563,432,886,363.40/857,891.27 - Step 6: Final answer
x = 656,764.91
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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.