Finding the Fourth Proportional to 674,555.38, 930,849.87 and 372,729.94
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Solution
The fourth proportional to 674,555.38, 930,849.87 and 372,729.94 is: 514,347.12
Step by Step Solution
- Step 1: Write the proportion equation
674,555.38 : 930,849.87 = 372,729.94 : x - Step 2: Convert to fraction form
674,555.38/930,849.87 = 372,729.94/x - Step 3: Cross multiply
674,555.38x = 930,849.87 × 372,729.94 - Step 4: Simplify right side
674,555.38x = 346,955,616,194.11 - Step 5: Solve for x
x = 346,955,616,194.11/674,555.38 - Step 6: Final answer
x = 514,347.12
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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.