Finding the Fourth Proportional to 496,220.06, 684,937.86 and 394,426.14
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Solution
The fourth proportional to 496,220.06, 684,937.86 and 394,426.14 is: 544,430.62
Step by Step Solution
- Step 1: Write the proportion equation
496,220.06 : 684,937.86 = 394,426.14 : x - Step 2: Convert to fraction form
496,220.06/684,937.86 = 394,426.14/x - Step 3: Cross multiply
496,220.06x = 684,937.86 × 394,426.14 - Step 4: Simplify right side
496,220.06x = 270,157,396,259.66 - Step 5: Solve for x
x = 270,157,396,259.66/496,220.06 - Step 6: Final answer
x = 544,430.62
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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.