Finding the Fourth Proportional to 539,042.23, 743,865.25 and 297,319.62
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Solution
The fourth proportional to 539,042.23, 743,865.25 and 297,319.62 is: 410,293.89
Step by Step Solution
- Step 1: Write the proportion equation
539,042.23 : 743,865.25 = 297,319.62 : x - Step 2: Convert to fraction form
539,042.23/743,865.25 = 297,319.62/x - Step 3: Cross multiply
539,042.23x = 743,865.25 × 297,319.62 - Step 4: Simplify right side
539,042.23x = 221,165,733,461.21 - Step 5: Solve for x
x = 221,165,733,461.21/539,042.23 - Step 6: Final answer
x = 410,293.89
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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.