Finding the Fourth Proportional to 851,543.38, 1,175,158.23 and 464,379.98
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Solution
The fourth proportional to 851,543.38, 1,175,158.23 and 464,379.98 is: 640,859.84
Step by Step Solution
- Step 1: Write the proportion equation
851,543.38 : 1,175,158.23 = 464,379.98 : x - Step 2: Convert to fraction form
851,543.38/1,175,158.23 = 464,379.98/x - Step 3: Cross multiply
851,543.38x = 1,175,158.23 × 464,379.98 - Step 4: Simplify right side
851,543.38x = 545,719,955,344.24 - Step 5: Solve for x
x = 545,719,955,344.24/851,543.38 - Step 6: Final answer
x = 640,859.84
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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.