Finding the Fourth Proportional to 862,889.13, 1,294,372.58 and 330,272.01
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Solution
The fourth proportional to 862,889.13, 1,294,372.58 and 330,272.01 is: 495,422.90
Step by Step Solution
- Step 1: Write the proportion equation
862,889.13 : 1,294,372.58 = 330,272.01 : x - Step 2: Convert to fraction form
862,889.13/1,294,372.58 = 330,272.01/x - Step 3: Cross multiply
862,889.13x = 1,294,372.58 × 330,272.01 - Step 4: Simplify right side
862,889.13x = 427,495,032,034.13 - Step 5: Solve for x
x = 427,495,032,034.13/862,889.13 - Step 6: Final answer
x = 495,422.90
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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.