Finding the Fourth Proportional to 761,348.36, 1,050,620.49 and 434,648.42
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Solution
The fourth proportional to 761,348.36, 1,050,620.49 and 434,648.42 is: 599,791.84
Step by Step Solution
- Step 1: Write the proportion equation
761,348.36 : 1,050,620.49 = 434,648.42 : x - Step 2: Convert to fraction form
761,348.36/1,050,620.49 = 434,648.42/x - Step 3: Cross multiply
761,348.36x = 1,050,620.49 × 434,648.42 - Step 4: Simplify right side
761,348.36x = 456,650,535,998.13 - Step 5: Solve for x
x = 456,650,535,998.13/761,348.36 - Step 6: Final answer
x = 599,791.84
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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.