Finding the Fourth Proportional to 881,811.38, 1,216,994.61 and 499,797.14
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Solution
The fourth proportional to 881,811.38, 1,216,994.61 and 499,797.14 is: 689,773.84
Step by Step Solution
- Step 1: Write the proportion equation
881,811.38 : 1,216,994.61 = 499,797.14 : x - Step 2: Convert to fraction form
881,811.38/1,216,994.61 = 499,797.14/x - Step 3: Cross multiply
881,811.38x = 1,216,994.61 × 499,797.14 - Step 4: Simplify right side
881,811.38x = 608,250,425,473.42 - Step 5: Solve for x
x = 608,250,425,473.42/881,811.38 - Step 6: Final answer
x = 689,773.84
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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.