Finding the Fourth Proportional to 539,614.26, 744,648.12 and 297,891.63
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Solution
The fourth proportional to 539,614.26, 744,648.12 and 297,891.63 is: 411,079.65
Step by Step Solution
- Step 1: Write the proportion equation
539,614.26 : 744,648.12 = 297,891.63 : x - Step 2: Convert to fraction form
539,614.26/744,648.12 = 297,891.63/x - Step 3: Cross multiply
539,614.26x = 744,648.12 × 297,891.63 - Step 4: Simplify right side
539,614.26x = 221,824,442,243.24 - Step 5: Solve for x
x = 221,824,442,243.24/539,614.26 - Step 6: Final answer
x = 411,079.65
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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.