Finding the Fourth Proportional to 578,995.68, 799,013.48 and 324,348.68
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Solution
The fourth proportional to 578,995.68, 799,013.48 and 324,348.68 is: 447,600.87
Step by Step Solution
- Step 1: Write the proportion equation
578,995.68 : 799,013.48 = 324,348.68 : x - Step 2: Convert to fraction form
578,995.68/799,013.48 = 324,348.68/x - Step 3: Cross multiply
578,995.68x = 799,013.48 × 324,348.68 - Step 4: Simplify right side
578,995.68x = 259,158,967,540.21 - Step 5: Solve for x
x = 259,158,967,540.21/578,995.68 - Step 6: Final answer
x = 447,600.87
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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.