Finding the Fourth Proportional to 930,763.68, 1,398,245.04 and 557,049.12
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Solution
The fourth proportional to 930,763.68, 1,398,245.04 and 557,049.12 is: 836,830.21
Step by Step Solution
- Step 1: Write the proportion equation
930,763.68 : 1,398,245.04 = 557,049.12 : x - Step 2: Convert to fraction form
930,763.68/1,398,245.04 = 557,049.12/x - Step 3: Cross multiply
930,763.68x = 1,398,245.04 × 557,049.12 - Step 4: Simplify right side
930,763.68x = 778,891,169,076.37 - Step 5: Solve for x
x = 778,891,169,076.37/930,763.68 - Step 6: Final answer
x = 836,830.21
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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.