Finding the Fourth Proportional to 799,503.50, 1,199,587.38 and 349,992.98
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Solution
The fourth proportional to 799,503.50, 1,199,587.38 and 349,992.98 is: 525,134.86
Step by Step Solution
- Step 1: Write the proportion equation
799,503.50 : 1,199,587.38 = 349,992.98 : x - Step 2: Convert to fraction form
799,503.50/1,199,587.38 = 349,992.98/x - Step 3: Cross multiply
799,503.50x = 1,199,587.38 × 349,992.98 - Step 4: Simplify right side
799,503.50x = 419,847,161,896.59 - Step 5: Solve for x
x = 419,847,161,896.59/799,503.50 - Step 6: Final answer
x = 525,134.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.