Finding the Fourth Proportional to 429,742.46, 647,110.67 and 318,212.75
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Solution
The fourth proportional to 429,742.46, 647,110.67 and 318,212.75 is: 479,168.07
Step by Step Solution
- Step 1: Write the proportion equation
429,742.46 : 647,110.67 = 318,212.75 : x - Step 2: Convert to fraction form
429,742.46/647,110.67 = 318,212.75/x - Step 3: Cross multiply
429,742.46x = 647,110.67 × 318,212.75 - Step 4: Simplify right side
429,742.46x = 205,918,867,671.70 - Step 5: Solve for x
x = 205,918,867,671.70/429,742.46 - Step 6: Final answer
x = 479,168.07
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.