Finding the Fourth Proportional to 432,006.70, 648,010.05 and 412,323.70
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Solution
The fourth proportional to 432,006.70, 648,010.05 and 412,323.70 is: 618,485.55
Step by Step Solution
- Step 1: Write the proportion equation
432,006.70 : 648,010.05 = 412,323.70 : x - Step 2: Convert to fraction form
432,006.70/648,010.05 = 412,323.70/x - Step 3: Cross multiply
432,006.70x = 648,010.05 × 412,323.70 - Step 4: Simplify right side
432,006.70x = 267,189,901,453.19 - Step 5: Solve for x
x = 267,189,901,453.19/432,006.70 - Step 6: Final answer
x = 618,485.55
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1.5x scale
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.