Finding the Fourth Proportional to 778,514.10, 1,167,807.60 and 246,076.80
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Solution
The fourth proportional to 778,514.10, 1,167,807.60 and 246,076.80 is: 369,126.72
Step by Step Solution
- Step 1: Write the proportion equation
778,514.10 : 1,167,807.60 = 246,076.80 : x - Step 2: Convert to fraction form
778,514.10/1,167,807.60 = 246,076.80/x - Step 3: Cross multiply
778,514.10x = 1,167,807.60 × 246,076.80 - Step 4: Simplify right side
778,514.10x = 287,370,357,223.68 - Step 5: Solve for x
x = 287,370,357,223.68/778,514.10 - Step 6: Final answer
x = 369,126.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.