Finding the Fourth Proportional to 703,985.68, 971,512.84 and 381,706.64
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Solution
The fourth proportional to 703,985.68, 971,512.84 and 381,706.64 is: 526,762.00
Step by Step Solution
- Step 1: Write the proportion equation
703,985.68 : 971,512.84 = 381,706.64 : x - Step 2: Convert to fraction form
703,985.68/971,512.84 = 381,706.64/x - Step 3: Cross multiply
703,985.68x = 971,512.84 × 381,706.64 - Step 4: Simplify right side
703,985.68x = 370,832,901,873.26 - Step 5: Solve for x
x = 370,832,901,873.26/703,985.68 - Step 6: Final answer
x = 526,762.00
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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.