Finding the Fourth Proportional to 611,294.22, 843,588.99 and 381,984.66
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Solution
The fourth proportional to 611,294.22, 843,588.99 and 381,984.66 is: 527,140.68
Step by Step Solution
- Step 1: Write the proportion equation
611,294.22 : 843,588.99 = 381,984.66 : x - Step 2: Convert to fraction form
611,294.22/843,588.99 = 381,984.66/x - Step 3: Cross multiply
611,294.22x = 843,588.99 × 381,984.66 - Step 4: Simplify right side
611,294.22x = 322,238,053,524.89 - Step 5: Solve for x
x = 322,238,053,524.89/611,294.22 - Step 6: Final answer
x = 527,140.68
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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.