Finding the Fourth Proportional to 772,906.99, 1,158,799.95 and 519,559.09
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Solution
The fourth proportional to 772,906.99, 1,158,799.95 and 519,559.09 is: 778,961.84
Step by Step Solution
- Step 1: Write the proportion equation
772,906.99 : 1,158,799.95 = 519,559.09 : x - Step 2: Convert to fraction form
772,906.99/1,158,799.95 = 519,559.09/x - Step 3: Cross multiply
772,906.99x = 1,158,799.95 × 519,559.09 - Step 4: Simplify right side
772,906.99x = 602,065,047,514.05 - Step 5: Solve for x
x = 602,065,047,514.05/772,906.99 - Step 6: Final answer
x = 778,961.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.