Finding the Fourth Proportional to 758,882.48, 1,047,272.84 and 414,739.70
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Solution
The fourth proportional to 758,882.48, 1,047,272.84 and 414,739.70 is: 572,348.99
Step by Step Solution
- Step 1: Write the proportion equation
758,882.48 : 1,047,272.84 = 414,739.70 : x - Step 2: Convert to fraction form
758,882.48/1,047,272.84 = 414,739.70/x - Step 3: Cross multiply
758,882.48x = 1,047,272.84 × 414,739.70 - Step 4: Simplify right side
758,882.48x = 434,345,623,479.75 - Step 5: Solve for x
x = 434,345,623,479.75/758,882.48 - Step 6: Final answer
x = 572,348.99
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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.