Finding the Fourth Proportional to 703,988.92, 971,495.67 and 381,698.02
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Solution
The fourth proportional to 703,988.92, 971,495.67 and 381,698.02 is: 526,738.37
Step by Step Solution
- Step 1: Write the proportion equation
703,988.92 : 971,495.67 = 381,698.02 : x - Step 2: Convert to fraction form
703,988.92/971,495.67 = 381,698.02/x - Step 3: Cross multiply
703,988.92x = 971,495.67 × 381,698.02 - Step 4: Simplify right side
703,988.92x = 370,817,973,677.57 - Step 5: Solve for x
x = 370,817,973,677.57/703,988.92 - Step 6: Final answer
x = 526,738.37
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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.