Finding the Fourth Proportional to 1,021,302.24, 1,409,645.34 and 591,513
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Solution
The fourth proportional to 1,021,302.24, 1,409,645.34 and 591,513 is: 816,431.72
Step by Step Solution
- Step 1: Write the proportion equation
1,021,302.24 : 1,409,645.34 = 591,513 : x - Step 2: Convert to fraction form
1,021,302.24/1,409,645.34 = 591,513/x - Step 3: Cross multiply
1,021,302.24x = 1,409,645.34 × 591,513 - Step 4: Simplify right side
1,021,302.24x = 833,823,543,999.42 - Step 5: Solve for x
x = 833,823,543,999.42/1,021,302.24 - Step 6: Final answer
x = 816,431.72
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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.