Finding the Fourth Proportional to 488,772.30, 733,814.55 and 312,062.70
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Solution
The fourth proportional to 488,772.30, 733,814.55 and 312,062.70 is: 468,512.95
Step by Step Solution
- Step 1: Write the proportion equation
488,772.30 : 733,814.55 = 312,062.70 : x - Step 2: Convert to fraction form
488,772.30/733,814.55 = 312,062.70/x - Step 3: Cross multiply
488,772.30x = 733,814.55 × 312,062.70 - Step 4: Simplify right side
488,772.30x = 228,996,149,772.29 - Step 5: Solve for x
x = 228,996,149,772.29/488,772.30 - Step 6: Final answer
x = 468,512.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.