Finding the Fourth Proportional to 772,779.75, 1,066,073.18 and 546,549.99
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Solution
The fourth proportional to 772,779.75, 1,066,073.18 and 546,549.99 is: 753,982.34
Step by Step Solution
- Step 1: Write the proportion equation
772,779.75 : 1,066,073.18 = 546,549.99 : x - Step 2: Convert to fraction form
772,779.75/1,066,073.18 = 546,549.99/x - Step 3: Cross multiply
772,779.75x = 1,066,073.18 × 546,549.99 - Step 4: Simplify right side
772,779.75x = 582,662,283,135.52 - Step 5: Solve for x
x = 582,662,283,135.52/772,779.75 - Step 6: Final answer
x = 753,982.34
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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.