Finding the Fourth Proportional to 908,157.75, 1,253,258.01 and 526,405.98
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Solution
The fourth proportional to 908,157.75, 1,253,258.01 and 526,405.98 is: 726,440.43
Step by Step Solution
- Step 1: Write the proportion equation
908,157.75 : 1,253,258.01 = 526,405.98 : x - Step 2: Convert to fraction form
908,157.75/1,253,258.01 = 526,405.98/x - Step 3: Cross multiply
908,157.75x = 1,253,258.01 × 526,405.98 - Step 4: Simplify right side
908,157.75x = 659,722,510,946.90 - Step 5: Solve for x
x = 659,722,510,946.90/908,157.75 - Step 6: Final answer
x = 726,440.43
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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.