Finding the Fourth Proportional to 703,601.44, 970,438.73 and 442,032.80
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Solution
The fourth proportional to 703,601.44, 970,438.73 and 442,032.80 is: 609,671.50
Step by Step Solution
- Step 1: Write the proportion equation
703,601.44 : 970,438.73 = 442,032.80 : x - Step 2: Convert to fraction form
703,601.44/970,438.73 = 442,032.80/x - Step 3: Cross multiply
703,601.44x = 970,438.73 × 442,032.80 - Step 4: Simplify right side
703,601.44x = 428,965,741,987.99 - Step 5: Solve for x
x = 428,965,741,987.99/703,601.44 - Step 6: Final answer
x = 609,671.50
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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.