Finding the Fourth Proportional to 834,038.95, 1,150,961.28 and 471,450.10
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Solution
The fourth proportional to 834,038.95, 1,150,961.28 and 471,450.10 is: 650,594.09
Step by Step Solution
- Step 1: Write the proportion equation
834,038.95 : 1,150,961.28 = 471,450.10 : x - Step 2: Convert to fraction form
834,038.95/1,150,961.28 = 471,450.10/x - Step 3: Cross multiply
834,038.95x = 1,150,961.28 × 471,450.10 - Step 4: Simplify right side
834,038.95x = 542,620,810,552.13 - Step 5: Solve for x
x = 542,620,810,552.13/834,038.95 - Step 6: Final answer
x = 650,594.09
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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.