Finding the Fourth Proportional to 803,915.56, 1,205,458.62 and 330,512.68
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Solution
The fourth proportional to 803,915.56, 1,205,458.62 and 330,512.68 is: 495,598.52
Step by Step Solution
- Step 1: Write the proportion equation
803,915.56 : 1,205,458.62 = 330,512.68 : x - Step 2: Convert to fraction form
803,915.56/1,205,458.62 = 330,512.68/x - Step 3: Cross multiply
803,915.56x = 1,205,458.62 × 330,512.68 - Step 4: Simplify right side
803,915.56x = 398,419,359,125.30 - Step 5: Solve for x
x = 398,419,359,125.30/803,915.56 - Step 6: Final answer
x = 495,598.52
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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.