Finding the Fourth Proportional to 420,295.68, 580,222.08 and 324,587.52
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Solution
The fourth proportional to 420,295.68, 580,222.08 and 324,587.52 is: 448,096.08
Step by Step Solution
- Step 1: Write the proportion equation
420,295.68 : 580,222.08 = 324,587.52 : x - Step 2: Convert to fraction form
420,295.68/580,222.08 = 324,587.52/x - Step 3: Cross multiply
420,295.68x = 580,222.08 × 324,587.52 - Step 4: Simplify right side
420,295.68x = 188,332,845,996.44 - Step 5: Solve for x
x = 188,332,845,996.44/420,295.68 - Step 6: Final answer
x = 448,096.08
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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.