Finding the Fourth Proportional to 578,249.75, 798,234.89 and 435,044.99
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Solution
The fourth proportional to 578,249.75, 798,234.89 and 435,044.99 is: 600,550.35
Step by Step Solution
- Step 1: Write the proportion equation
578,249.75 : 798,234.89 = 435,044.99 : x - Step 2: Convert to fraction form
578,249.75/798,234.89 = 435,044.99/x - Step 3: Cross multiply
578,249.75x = 798,234.89 × 435,044.99 - Step 4: Simplify right side
578,249.75x = 347,268,089,558.06 - Step 5: Solve for x
x = 347,268,089,558.06/578,249.75 - Step 6: Final answer
x = 600,550.35
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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.