Finding the Fourth Proportional to 879,583.68, 1,213,251.30 and 556,957.44
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Solution
The fourth proportional to 879,583.68, 1,213,251.30 and 556,957.44 is: 768,237.69
Step by Step Solution
- Step 1: Write the proportion equation
879,583.68 : 1,213,251.30 = 556,957.44 : x - Step 2: Convert to fraction form
879,583.68/1,213,251.30 = 556,957.44/x - Step 3: Cross multiply
879,583.68x = 1,213,251.30 × 556,957.44 - Step 4: Simplify right side
879,583.68x = 675,729,338,124.67 - Step 5: Solve for x
x = 675,729,338,124.67/879,583.68 - Step 6: Final answer
x = 768,237.69
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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.