Finding the Fourth Proportional to 579,608.36, 799,335.95 and 361,837.14
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Solution
The fourth proportional to 579,608.36, 799,335.95 and 361,837.14 is: 499,008.38
Step by Step Solution
- Step 1: Write the proportion equation
579,608.36 : 799,335.95 = 361,837.14 : x - Step 2: Convert to fraction form
579,608.36/799,335.95 = 361,837.14/x - Step 3: Cross multiply
579,608.36x = 799,335.95 × 361,837.14 - Step 4: Simplify right side
579,608.36x = 289,229,430,364.55 - Step 5: Solve for x
x = 289,229,430,364.55/579,608.36 - Step 6: Final answer
x = 499,008.38
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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.