Finding the Fourth Proportional to 722,753.74, 1,085,123.67 and 368,006.14
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Solution
The fourth proportional to 722,753.74, 1,085,123.67 and 368,006.14 is: 552,514.85
Step by Step Solution
- Step 1: Write the proportion equation
722,753.74 : 1,085,123.67 = 368,006.14 : x - Step 2: Convert to fraction form
722,753.74/1,085,123.67 = 368,006.14/x - Step 3: Cross multiply
722,753.74x = 1,085,123.67 × 368,006.14 - Step 4: Simplify right side
722,753.74x = 399,332,173,219.33 - Step 5: Solve for x
x = 399,332,173,219.33/722,753.74 - Step 6: Final answer
x = 552,514.85
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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.