Finding the Fourth Proportional to 503,740.20, 695,193.10 and 277,385.70
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Solution
The fourth proportional to 503,740.20, 695,193.10 and 277,385.70 is: 382,809.68
Step by Step Solution
- Step 1: Write the proportion equation
503,740.20 : 695,193.10 = 277,385.70 : x - Step 2: Convert to fraction form
503,740.20/695,193.10 = 277,385.70/x - Step 3: Cross multiply
503,740.20x = 695,193.10 × 277,385.70 - Step 4: Simplify right side
503,740.20x = 192,836,624,678.67 - Step 5: Solve for x
x = 192,836,624,678.67/503,740.20 - Step 6: Final answer
x = 382,809.68
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1.5x scale
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.