Finding the Fourth Proportional to 862,713.42, 1,294,071.05 and 861,467.44
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Solution
The fourth proportional to 862,713.42, 1,294,071.05 and 861,467.44 is: 1,292,202.08
Step by Step Solution
- Step 1: Write the proportion equation
862,713.42 : 1,294,071.05 = 861,467.44 : x - Step 2: Convert to fraction form
862,713.42/1,294,071.05 = 861,467.44/x - Step 3: Cross multiply
862,713.42x = 1,294,071.05 × 861,467.44 - Step 4: Simplify right side
862,713.42x = 1,114,800,074,621.61 - Step 5: Solve for x
x = 1,114,800,074,621.61/862,713.42 - Step 6: Final answer
x = 1,292,202.08
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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.