Finding the Fourth Proportional to 581,105.75, 801,969.68 and 354,794.99
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Solution
The fourth proportional to 581,105.75, 801,969.68 and 354,794.99 is: 489,643.79
Step by Step Solution
- Step 1: Write the proportion equation
581,105.75 : 801,969.68 = 354,794.99 : x - Step 2: Convert to fraction form
581,105.75/801,969.68 = 354,794.99/x - Step 3: Cross multiply
581,105.75x = 801,969.68 × 354,794.99 - Step 4: Simplify right side
581,105.75x = 284,534,824,595.90 - Step 5: Solve for x
x = 284,534,824,595.90/581,105.75 - Step 6: Final answer
x = 489,643.79
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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.