Finding the Fourth Proportional to 1,075,517.58, 1,613,553.18 and 317,328.42
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Solution
The fourth proportional to 1,075,517.58, 1,613,553.18 and 317,328.42 is: 476,074.30
Step by Step Solution
- Step 1: Write the proportion equation
1,075,517.58 : 1,613,553.18 = 317,328.42 : x - Step 2: Convert to fraction form
1,075,517.58/1,613,553.18 = 317,328.42/x - Step 3: Cross multiply
1,075,517.58x = 1,613,553.18 × 317,328.42 - Step 4: Simplify right side
1,075,517.58x = 512,026,281,195.38 - Step 5: Solve for x
x = 512,026,281,195.38/1,075,517.58 - Step 6: Final answer
x = 476,074.30
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1.5x scale
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.