Finding the Fourth Proportional to 759,306.44, 1,047,864.90 and 419,796.68
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Solution
The fourth proportional to 759,306.44, 1,047,864.90 and 419,796.68 is: 579,331.59
Step by Step Solution
- Step 1: Write the proportion equation
759,306.44 : 1,047,864.90 = 419,796.68 : x - Step 2: Convert to fraction form
759,306.44/1,047,864.90 = 419,796.68/x - Step 3: Cross multiply
759,306.44x = 1,047,864.90 × 419,796.68 - Step 4: Simplify right side
759,306.44x = 439,890,206,108.53 - Step 5: Solve for x
x = 439,890,206,108.53/759,306.44 - Step 6: Final answer
x = 579,331.59
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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.