Finding the Fourth Proportional to 526,021.38, 725,894.96 and 296,576.70
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Solution
The fourth proportional to 526,021.38, 725,894.96 and 296,576.70 is: 409,267.65
Step by Step Solution
- Step 1: Write the proportion equation
526,021.38 : 725,894.96 = 296,576.70 : x - Step 2: Convert to fraction form
526,021.38/725,894.96 = 296,576.70/x - Step 3: Cross multiply
526,021.38x = 725,894.96 × 296,576.70 - Step 4: Simplify right side
526,021.38x = 215,283,531,783.43 - Step 5: Solve for x
x = 215,283,531,783.43/526,021.38 - Step 6: Final answer
x = 409,267.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.