Finding the Fourth Proportional to 803,843.24, 1,109,076.41 and 517,529.09
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Solution
The fourth proportional to 803,843.24, 1,109,076.41 and 517,529.09 is: 714,043.82
Step by Step Solution
- Step 1: Write the proportion equation
803,843.24 : 1,109,076.41 = 517,529.09 : x - Step 2: Convert to fraction form
803,843.24/1,109,076.41 = 517,529.09/x - Step 3: Cross multiply
803,843.24x = 1,109,076.41 × 517,529.09 - Step 4: Simplify right side
803,843.24x = 573,979,297,074.74 - Step 5: Solve for x
x = 573,979,297,074.74/803,843.24 - Step 6: Final answer
x = 714,043.82
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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.