Finding the Fourth Proportional to 688,982.48, 950,849.07 and 413,350.65
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Solution
The fourth proportional to 688,982.48, 950,849.07 and 413,350.65 is: 570,455.84
Step by Step Solution
- Step 1: Write the proportion equation
688,982.48 : 950,849.07 = 413,350.65 : x - Step 2: Convert to fraction form
688,982.48/950,849.07 = 413,350.65/x - Step 3: Cross multiply
688,982.48x = 950,849.07 × 413,350.65 - Step 4: Simplify right side
688,982.48x = 393,034,081,136.40 - Step 5: Solve for x
x = 393,034,081,136.40/688,982.48 - Step 6: Final answer
x = 570,455.84
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1.5x scale
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.