Finding the Fourth Proportional to 616,740.84, 851,091.30 and 348,463.08
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Solution
The fourth proportional to 616,740.84, 851,091.30 and 348,463.08 is: 480,872.80
Step by Step Solution
- Step 1: Write the proportion equation
616,740.84 : 851,091.30 = 348,463.08 : x - Step 2: Convert to fraction form
616,740.84/851,091.30 = 348,463.08/x - Step 3: Cross multiply
616,740.84x = 851,091.30 × 348,463.08 - Step 4: Simplify right side
616,740.84x = 296,573,895,759.20 - Step 5: Solve for x
x = 296,573,895,759.20/616,740.84 - Step 6: Final answer
x = 480,872.80
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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.