Finding the Fourth Proportional to 996,688.62, 1,375,587.72 and 633,734.10
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Solution
The fourth proportional to 996,688.62, 1,375,587.72 and 633,734.10 is: 874,653.15
Step by Step Solution
- Step 1: Write the proportion equation
996,688.62 : 1,375,587.72 = 633,734.10 : x - Step 2: Convert to fraction form
996,688.62/1,375,587.72 = 633,734.10/x - Step 3: Cross multiply
996,688.62x = 1,375,587.72 × 633,734.10 - Step 4: Simplify right side
996,688.62x = 871,756,845,705.25 - Step 5: Solve for x
x = 871,756,845,705.25/996,688.62 - Step 6: Final answer
x = 874,653.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.