Finding the Fourth Proportional to 664,370.70, 996,556.05 and 487,223.70
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Solution
The fourth proportional to 664,370.70, 996,556.05 and 487,223.70 is: 730,835.55
Step by Step Solution
- Step 1: Write the proportion equation
664,370.70 : 996,556.05 = 487,223.70 : x - Step 2: Convert to fraction form
664,370.70/996,556.05 = 487,223.70/x - Step 3: Cross multiply
664,370.70x = 996,556.05 × 487,223.70 - Step 4: Simplify right side
664,370.70x = 485,545,725,938.39 - Step 5: Solve for x
x = 485,545,725,938.39/664,370.70 - Step 6: Final answer
x = 730,835.55
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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.