Finding the Fourth Proportional to 674,351.92, 930,669.99 and 368,474.77
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Solution
The fourth proportional to 674,351.92, 930,669.99 and 368,474.77 is: 508,530.34
Step by Step Solution
- Step 1: Write the proportion equation
674,351.92 : 930,669.99 = 368,474.77 : x - Step 2: Convert to fraction form
674,351.92/930,669.99 = 368,474.77/x - Step 3: Cross multiply
674,351.92x = 930,669.99 × 368,474.77 - Step 4: Simplify right side
674,351.92x = 342,928,405,857.80 - Step 5: Solve for x
x = 342,928,405,857.80/674,351.92 - Step 6: Final answer
x = 508,530.34
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1.5x scale
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.