Finding the Fourth Proportional to 556,930.42, 835,261.80 and 257,122.96
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Solution
The fourth proportional to 556,930.42, 835,261.80 and 257,122.96 is: 385,622.65
Step by Step Solution
- Step 1: Write the proportion equation
556,930.42 : 835,261.80 = 257,122.96 : x - Step 2: Convert to fraction form
556,930.42/835,261.80 = 257,122.96/x - Step 3: Cross multiply
556,930.42x = 835,261.80 × 257,122.96 - Step 4: Simplify right side
556,930.42x = 214,764,986,390.93 - Step 5: Solve for x
x = 214,764,986,390.93/556,930.42 - Step 6: Final answer
x = 385,622.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.