Finding the Fourth Proportional to 590,996.30, 886,703.90 and 291,686.99
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Solution
The fourth proportional to 590,996.30, 886,703.90 and 291,686.99 is: 437,633.85
Step by Step Solution
- Step 1: Write the proportion equation
590,996.30 : 886,703.90 = 291,686.99 : x - Step 2: Convert to fraction form
590,996.30/886,703.90 = 291,686.99/x - Step 3: Cross multiply
590,996.30x = 886,703.90 × 291,686.99 - Step 4: Simplify right side
590,996.30x = 258,639,985,720.31 - Step 5: Solve for x
x = 258,639,985,720.31/590,996.30 - Step 6: Final answer
x = 437,633.85
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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.