Finding the Fourth Proportional to 830,015.24, 1,145,424.92 and 467,445.26
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Solution
The fourth proportional to 830,015.24, 1,145,424.92 and 467,445.26 is: 645,076.65
Step by Step Solution
- Step 1: Write the proportion equation
830,015.24 : 1,145,424.92 = 467,445.26 : x - Step 2: Convert to fraction form
830,015.24/1,145,424.92 = 467,445.26/x - Step 3: Cross multiply
830,015.24x = 1,145,424.92 × 467,445.26 - Step 4: Simplify right side
830,015.24x = 535,423,450,066.22 - Step 5: Solve for x
x = 535,423,450,066.22/830,015.24 - Step 6: Final answer
x = 645,076.65
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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.