Finding the Fourth Proportional to 816,556.24, 1,126,864.20 and 453,994.48
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Solution
The fourth proportional to 816,556.24, 1,126,864.20 and 453,994.48 is: 626,521.61
Step by Step Solution
- Step 1: Write the proportion equation
816,556.24 : 1,126,864.20 = 453,994.48 : x - Step 2: Convert to fraction form
816,556.24/1,126,864.20 = 453,994.48/x - Step 3: Cross multiply
816,556.24x = 1,126,864.20 × 453,994.48 - Step 4: Simplify right side
816,556.24x = 511,590,126,509.62 - Step 5: Solve for x
x = 511,590,126,509.62/816,556.24 - Step 6: Final answer
x = 626,521.61
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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.