Finding the Fourth Proportional to 855,718.92, 1,180,847.10 and 468,460.08
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Solution
The fourth proportional to 855,718.92, 1,180,847.10 and 468,460.08 is: 646,450.27
Step by Step Solution
- Step 1: Write the proportion equation
855,718.92 : 1,180,847.10 = 468,460.08 : x - Step 2: Convert to fraction form
855,718.92/1,180,847.10 = 468,460.08/x - Step 3: Cross multiply
855,718.92x = 1,180,847.10 × 468,460.08 - Step 4: Simplify right side
855,718.92x = 553,179,726,933.77 - Step 5: Solve for x
x = 553,179,726,933.77/855,718.92 - Step 6: Final answer
x = 646,450.27
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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.