Finding the Fourth Proportional to 886,444.68, 1,231,552.12 and 875,815.84
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Solution
The fourth proportional to 886,444.68, 1,231,552.12 and 875,815.84 is: 1,216,785.30
Step by Step Solution
- Step 1: Write the proportion equation
886,444.68 : 1,231,552.12 = 875,815.84 : x - Step 2: Convert to fraction form
886,444.68/1,231,552.12 = 875,815.84/x - Step 3: Cross multiply
886,444.68x = 1,231,552.12 × 875,815.84 - Step 4: Simplify right side
886,444.68x = 1,078,612,854,481.58 - Step 5: Solve for x
x = 1,078,612,854,481.58/886,444.68 - Step 6: Final answer
x = 1,216,785.30
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.