Finding the Fourth Proportional to 908,324.88, 1,253,488.68 and 526,572.96
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Solution
The fourth proportional to 908,324.88, 1,253,488.68 and 526,572.96 is: 726,670.89
Step by Step Solution
- Step 1: Write the proportion equation
908,324.88 : 1,253,488.68 = 526,572.96 : x - Step 2: Convert to fraction form
908,324.88/1,253,488.68 = 526,572.96/x - Step 3: Cross multiply
908,324.88x = 1,253,488.68 × 526,572.96 - Step 4: Simplify right side
908,324.88x = 660,053,244,554.09 - Step 5: Solve for x
x = 660,053,244,554.09/908,324.88 - Step 6: Final answer
x = 726,670.89
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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.