Finding the Fourth Proportional to 664,515.60, 997,757.55 and 514,924.80
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Solution
The fourth proportional to 664,515.60, 997,757.55 and 514,924.80 is: 773,149.81
Step by Step Solution
- Step 1: Write the proportion equation
664,515.60 : 997,757.55 = 514,924.80 : x - Step 2: Convert to fraction form
664,515.60/997,757.55 = 514,924.80/x - Step 3: Cross multiply
664,515.60x = 997,757.55 × 514,924.80 - Step 4: Simplify right side
664,515.60x = 513,770,106,882.24 - Step 5: Solve for x
x = 513,770,106,882.24/664,515.60 - Step 6: Final answer
x = 773,149.81
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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.