Finding the Fourth Proportional to 900,767.24, 1,243,074.60 and 492,904.84
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Solution
The fourth proportional to 900,767.24, 1,243,074.60 and 492,904.84 is: 680,217.33
Step by Step Solution
- Step 1: Write the proportion equation
900,767.24 : 1,243,074.60 = 492,904.84 : x - Step 2: Convert to fraction form
900,767.24/1,243,074.60 = 492,904.84/x - Step 3: Cross multiply
900,767.24x = 1,243,074.60 × 492,904.84 - Step 4: Simplify right side
900,767.24x = 612,717,486,821.06 - Step 5: Solve for x
x = 612,717,486,821.06/900,767.24 - Step 6: Final answer
x = 680,217.33
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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.