Finding the Fourth Proportional to 673,305.19, 929,180.61 and 371,518.63
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Solution
The fourth proportional to 673,305.19, 929,180.61 and 371,518.63 is: 512,706.44
Step by Step Solution
- Step 1: Write the proportion equation
673,305.19 : 929,180.61 = 371,518.63 : x - Step 2: Convert to fraction form
673,305.19/929,180.61 = 371,518.63/x - Step 3: Cross multiply
673,305.19x = 929,180.61 × 371,518.63 - Step 4: Simplify right side
673,305.19x = 345,207,904,926.81 - Step 5: Solve for x
x = 345,207,904,926.81/673,305.19 - Step 6: Final answer
x = 512,706.44
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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.