Finding the Fourth Proportional to 611,902.94, 841,431.39 and 531,189.26
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Solution
The fourth proportional to 611,902.94, 841,431.39 and 531,189.26 is: 730,441.53
Step by Step Solution
- Step 1: Write the proportion equation
611,902.94 : 841,431.39 = 531,189.26 : x - Step 2: Convert to fraction form
611,902.94/841,431.39 = 531,189.26/x - Step 3: Cross multiply
611,902.94x = 841,431.39 × 531,189.26 - Step 4: Simplify right side
611,902.94x = 446,959,317,394.87 - Step 5: Solve for x
x = 446,959,317,394.87/611,902.94 - Step 6: Final answer
x = 730,441.53
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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.