Finding the Fourth Proportional to 823,790.92, 1,235,447.70 and 247,390.95
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Solution
The fourth proportional to 823,790.92, 1,235,447.70 and 247,390.95 is: 371,014.75
Step by Step Solution
- Step 1: Write the proportion equation
823,790.92 : 1,235,447.70 = 247,390.95 : x - Step 2: Convert to fraction form
823,790.92/1,235,447.70 = 247,390.95/x - Step 3: Cross multiply
823,790.92x = 1,235,447.70 × 247,390.95 - Step 4: Simplify right side
823,790.92x = 305,638,580,178.32 - Step 5: Solve for x
x = 305,638,580,178.32/823,790.92 - Step 6: Final answer
x = 371,014.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.