Finding the Fourth Proportional to 931,570.08, 1,397,355.60 and 398,746.08
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Solution
The fourth proportional to 931,570.08, 1,397,355.60 and 398,746.08 is: 598,119.33
Step by Step Solution
- Step 1: Write the proportion equation
931,570.08 : 1,397,355.60 = 398,746.08 : x - Step 2: Convert to fraction form
931,570.08/1,397,355.60 = 398,746.08/x - Step 3: Cross multiply
931,570.08x = 1,397,355.60 × 398,746.08 - Step 4: Simplify right side
931,570.08x = 557,190,067,866.05 - Step 5: Solve for x
x = 557,190,067,866.05/931,570.08 - Step 6: Final answer
x = 598,119.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.