Finding the Fourth Proportional to 834,407.50, 1,151,504.99 and 471,885.57
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Solution
The fourth proportional to 834,407.50, 1,151,504.99 and 471,885.57 is: 651,214.88
Step by Step Solution
- Step 1: Write the proportion equation
834,407.50 : 1,151,504.99 = 471,885.57 : x - Step 2: Convert to fraction form
834,407.50/1,151,504.99 = 471,885.57/x - Step 3: Cross multiply
834,407.50x = 1,151,504.99 × 471,885.57 - Step 4: Simplify right side
834,407.50x = 543,378,580,447.04 - Step 5: Solve for x
x = 543,378,580,447.04/834,407.50 - Step 6: Final answer
x = 651,214.88
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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.