Finding the Fourth Proportional to 543,782.58, 750,117.60 and 505,294.76
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Solution
The fourth proportional to 543,782.58, 750,117.60 and 505,294.76 is: 697,025.80
Step by Step Solution
- Step 1: Write the proportion equation
543,782.58 : 750,117.60 = 505,294.76 : x - Step 2: Convert to fraction form
543,782.58/750,117.60 = 505,294.76/x - Step 3: Cross multiply
543,782.58x = 750,117.60 × 505,294.76 - Step 4: Simplify right side
543,782.58x = 379,030,488,913.19 - Step 5: Solve for x
x = 379,030,488,913.19/543,782.58 - Step 6: Final answer
x = 697,025.80
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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.