Finding the Fourth Proportional to 674,632.96, 930,957.12 and 372,808.96
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Solution
The fourth proportional to 674,632.96, 930,957.12 and 372,808.96 is: 514,456.27
Step by Step Solution
- Step 1: Write the proportion equation
674,632.96 : 930,957.12 = 372,808.96 : x - Step 2: Convert to fraction form
674,632.96/930,957.12 = 372,808.96/x - Step 3: Cross multiply
674,632.96x = 930,957.12 × 372,808.96 - Step 4: Simplify right side
674,632.96x = 347,069,155,711.80 - Step 5: Solve for x
x = 347,069,155,711.80/674,632.96 - Step 6: Final answer
x = 514,456.27
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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.