Finding the Fourth Proportional to 996,513, 1,374,479.46 and 665,202.12
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Solution
The fourth proportional to 996,513, 1,374,479.46 and 665,202.12 is: 917,505.99
Step by Step Solution
- Step 1: Write the proportion equation
996,513 : 1,374,479.46 = 665,202.12 : x - Step 2: Convert to fraction form
996,513/1,374,479.46 = 665,202.12/x - Step 3: Cross multiply
996,513x = 1,374,479.46 × 665,202.12 - Step 4: Simplify right side
996,513x = 914,306,650,688.46 - Step 5: Solve for x
x = 914,306,650,688.46/996,513 - Step 6: Final answer
x = 917,505.99
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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.