Finding the Fourth Proportional to 429,435.74, 641,261.76 and 350,706.14
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Solution
The fourth proportional to 429,435.74, 641,261.76 and 350,706.14 is: 523,697.53
Step by Step Solution
- Step 1: Write the proportion equation
429,435.74 : 641,261.76 = 350,706.14 : x - Step 2: Convert to fraction form
429,435.74/641,261.76 = 350,706.14/x - Step 3: Cross multiply
429,435.74x = 641,261.76 × 350,706.14 - Step 4: Simplify right side
429,435.74x = 224,894,434,825.68 - Step 5: Solve for x
x = 224,894,434,825.68/429,435.74 - Step 6: Final answer
x = 523,697.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.