Finding the Fourth Proportional to 823,517.94, 1,235,376.58 and 290,929.98
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Solution
The fourth proportional to 823,517.94, 1,235,376.58 and 290,929.98 is: 436,430.18
Step by Step Solution
- Step 1: Write the proportion equation
823,517.94 : 1,235,376.58 = 290,929.98 : x - Step 2: Convert to fraction form
823,517.94/1,235,376.58 = 290,929.98/x - Step 3: Cross multiply
823,517.94x = 1,235,376.58 × 290,929.98 - Step 4: Simplify right side
823,517.94x = 359,408,083,711.87 - Step 5: Solve for x
x = 359,408,083,711.87/823,517.94 - Step 6: Final answer
x = 436,430.18
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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.