Finding the Fourth Proportional to 401,135.70, 601,703.55 and 322,403.70
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Solution
The fourth proportional to 401,135.70, 601,703.55 and 322,403.70 is: 483,605.55
Step by Step Solution
- Step 1: Write the proportion equation
401,135.70 : 601,703.55 = 322,403.70 : x - Step 2: Convert to fraction form
401,135.70/601,703.55 = 322,403.70/x - Step 3: Cross multiply
401,135.70x = 601,703.55 × 322,403.70 - Step 4: Simplify right side
401,135.70x = 193,991,450,823.14 - Step 5: Solve for x
x = 193,991,450,823.14/401,135.70 - Step 6: Final answer
x = 483,605.55
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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.