Finding the Fourth Proportional to 908,293.94, 1,253,445.65 and 526,542.15
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Solution
The fourth proportional to 908,293.94, 1,253,445.65 and 526,542.15 is: 726,628.17
Step by Step Solution
- Step 1: Write the proportion equation
908,293.94 : 1,253,445.65 = 526,542.15 : x - Step 2: Convert to fraction form
908,293.94/1,253,445.65 = 526,542.15/x - Step 3: Cross multiply
908,293.94x = 1,253,445.65 × 526,542.15 - Step 4: Simplify right side
908,293.94x = 659,991,967,459.15 - Step 5: Solve for x
x = 659,991,967,459.15/908,293.94 - Step 6: Final answer
x = 726,628.17
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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.