Finding the Fourth Proportional to 890,065.80, 1,335,098.43 and 591,129.99
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Solution
The fourth proportional to 890,065.80, 1,335,098.43 and 591,129.99 is: 886,694.81
Step by Step Solution
- Step 1: Write the proportion equation
890,065.80 : 1,335,098.43 = 591,129.99 : x - Step 2: Convert to fraction form
890,065.80/1,335,098.43 = 591,129.99/x - Step 3: Cross multiply
890,065.80x = 1,335,098.43 × 591,129.99 - Step 4: Simplify right side
890,065.80x = 789,216,721,574.92 - Step 5: Solve for x
x = 789,216,721,574.92/890,065.80 - Step 6: Final answer
x = 886,694.81
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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.