Finding the Fourth Proportional to 503,742.20, 695,195.86 and 277,387.70
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Solution
The fourth proportional to 503,742.20, 695,195.86 and 277,387.70 is: 382,812.44
Step by Step Solution
- Step 1: Write the proportion equation
503,742.20 : 695,195.86 = 277,387.70 : x - Step 2: Convert to fraction form
503,742.20/695,195.86 = 277,387.70/x - Step 3: Cross multiply
503,742.20x = 695,195.86 × 277,387.70 - Step 4: Simplify right side
503,742.20x = 192,838,780,654.92 - Step 5: Solve for x
x = 192,838,780,654.92/503,742.20 - Step 6: Final answer
x = 382,812.44
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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.