Finding the Fourth Proportional to 703,987.92, 971,494.29 and 381,697.02
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Solution
The fourth proportional to 703,987.92, 971,494.29 and 381,697.02 is: 526,736.99
Step by Step Solution
- Step 1: Write the proportion equation
703,987.92 : 971,494.29 = 381,697.02 : x - Step 2: Convert to fraction form
703,987.92/971,494.29 = 381,697.02/x - Step 3: Cross multiply
703,987.92x = 971,494.29 × 381,697.02 - Step 4: Simplify right side
703,987.92x = 370,816,475,440.02 - Step 5: Solve for x
x = 370,816,475,440.02/703,987.92 - Step 6: Final answer
x = 526,736.99
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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.