Finding the Fourth Proportional to 763,296.84, 1,053,378.84 and 419,161.44
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Solution
The fourth proportional to 763,296.84, 1,053,378.84 and 419,161.44 is: 578,458.82
Step by Step Solution
- Step 1: Write the proportion equation
763,296.84 : 1,053,378.84 = 419,161.44 : x - Step 2: Convert to fraction form
763,296.84/1,053,378.84 = 419,161.44/x - Step 3: Cross multiply
763,296.84x = 1,053,378.84 × 419,161.44 - Step 4: Simplify right side
763,296.84x = 441,535,791,439.93 - Step 5: Solve for x
x = 441,535,791,439.93/763,296.84 - Step 6: Final answer
x = 578,458.82
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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.