Finding the Fourth Proportional to 798,664.74, 1,102,180.08 and 436,111.62
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Solution
The fourth proportional to 798,664.74, 1,102,180.08 and 436,111.62 is: 601,846.45
Step by Step Solution
- Step 1: Write the proportion equation
798,664.74 : 1,102,180.08 = 436,111.62 : x - Step 2: Convert to fraction form
798,664.74/1,102,180.08 = 436,111.62/x - Step 3: Cross multiply
798,664.74x = 1,102,180.08 × 436,111.62 - Step 4: Simplify right side
798,664.74x = 480,673,540,220.53 - Step 5: Solve for x
x = 480,673,540,220.53/798,664.74 - Step 6: Final answer
x = 601,846.45
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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.