Finding the Fourth Proportional to 754,012.36, 1,040,538.18 and 414,482.68
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Solution
The fourth proportional to 754,012.36, 1,040,538.18 and 414,482.68 is: 571,986.72
Step by Step Solution
- Step 1: Write the proportion equation
754,012.36 : 1,040,538.18 = 414,482.68 : x - Step 2: Convert to fraction form
754,012.36/1,040,538.18 = 414,482.68/x - Step 3: Cross multiply
754,012.36x = 1,040,538.18 × 414,482.68 - Step 4: Simplify right side
754,012.36x = 431,285,053,488.72 - Step 5: Solve for x
x = 431,285,053,488.72/754,012.36 - Step 6: Final answer
x = 571,986.72
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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.