Finding the Fourth Proportional to 716,085.36, 1,074,128.04 and 340,971.12
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Solution
The fourth proportional to 716,085.36, 1,074,128.04 and 340,971.12 is: 511,456.68
Step by Step Solution
- Step 1: Write the proportion equation
716,085.36 : 1,074,128.04 = 340,971.12 : x - Step 2: Convert to fraction form
716,085.36/1,074,128.04 = 340,971.12/x - Step 3: Cross multiply
716,085.36x = 1,074,128.04 × 340,971.12 - Step 4: Simplify right side
716,085.36x = 366,246,640,822.21 - Step 5: Solve for x
x = 366,246,640,822.21/716,085.36 - Step 6: Final answer
x = 511,456.68
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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.