Finding the Fourth Proportional to 624,230.99, 861,346.37 and 379,088.24
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Solution
The fourth proportional to 624,230.99, 861,346.37 and 379,088.24 is: 523,085.66
Step by Step Solution
- Step 1: Write the proportion equation
624,230.99 : 861,346.37 = 379,088.24 : x - Step 2: Convert to fraction form
624,230.99/861,346.37 = 379,088.24/x - Step 3: Cross multiply
624,230.99x = 861,346.37 × 379,088.24 - Step 4: Simplify right side
624,230.99x = 326,526,276,074.68 - Step 5: Solve for x
x = 326,526,276,074.68/624,230.99 - Step 6: Final answer
x = 523,085.66
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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.