Finding the Fourth Proportional to 695,010.75, 959,108.35 and 393,204.75
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Solution
The fourth proportional to 695,010.75, 959,108.35 and 393,204.75 is: 542,618.89
Step by Step Solution
- Step 1: Write the proportion equation
695,010.75 : 959,108.35 = 393,204.75 : x - Step 2: Convert to fraction form
695,010.75/959,108.35 = 393,204.75/x - Step 3: Cross multiply
695,010.75x = 959,108.35 × 393,204.75 - Step 4: Simplify right side
695,010.75x = 377,125,958,984.66 - Step 5: Solve for x
x = 377,125,958,984.66/695,010.75 - Step 6: Final answer
x = 542,618.89
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1.5x scale
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.