Finding the Fourth Proportional to 703,722.82, 971,132.04 and 381,424.60
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Solution
The fourth proportional to 703,722.82, 971,132.04 and 381,424.60 is: 526,362.99
Step by Step Solution
- Step 1: Write the proportion equation
703,722.82 : 971,132.04 = 381,424.60 : x - Step 2: Convert to fraction form
703,722.82/971,132.04 = 381,424.60/x - Step 3: Cross multiply
703,722.82x = 971,132.04 × 381,424.60 - Step 4: Simplify right side
703,722.82x = 370,413,649,904.18 - Step 5: Solve for x
x = 370,413,649,904.18/703,722.82 - Step 6: Final answer
x = 526,362.99
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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.