Finding the Fourth Proportional to 587,621.13, 810,917.51 and 319,349.13
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Solution
The fourth proportional to 587,621.13, 810,917.51 and 319,349.13 is: 440,701.99
Step by Step Solution
- Step 1: Write the proportion equation
587,621.13 : 810,917.51 = 319,349.13 : x - Step 2: Convert to fraction form
587,621.13/810,917.51 = 319,349.13/x - Step 3: Cross multiply
587,621.13x = 810,917.51 × 319,349.13 - Step 4: Simplify right side
587,621.13x = 258,965,799,723.52 - Step 5: Solve for x
x = 258,965,799,723.52/587,621.13 - Step 6: Final answer
x = 440,701.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.