Finding the Fourth Proportional to 779,261.97, 1,075,370.99 and 435,103.23
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Solution
The fourth proportional to 779,261.97, 1,075,370.99 and 435,103.23 is: 600,436.58
Step by Step Solution
- Step 1: Write the proportion equation
779,261.97 : 1,075,370.99 = 435,103.23 : x - Step 2: Convert to fraction form
779,261.97/1,075,370.99 = 435,103.23/x - Step 3: Cross multiply
779,261.97x = 1,075,370.99 × 435,103.23 - Step 4: Simplify right side
779,261.97x = 467,897,389,021.78 - Step 5: Solve for x
x = 467,897,389,021.78/779,261.97 - Step 6: Final answer
x = 600,436.58
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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.