Finding the Fourth Proportional to 779,249.26, 1,075,353.44 and 435,090.49
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Solution
The fourth proportional to 779,249.26, 1,075,353.44 and 435,090.49 is: 600,418.99
Step by Step Solution
- Step 1: Write the proportion equation
779,249.26 : 1,075,353.44 = 435,090.49 : x - Step 2: Convert to fraction form
779,249.26/1,075,353.44 = 435,090.49/x - Step 3: Cross multiply
779,249.26x = 1,075,353.44 × 435,090.49 - Step 4: Simplify right side
779,249.26x = 467,876,053,940.03 - Step 5: Solve for x
x = 467,876,053,940.03/779,249.26 - Step 6: Final answer
x = 600,418.99
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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.