Finding the Fourth Proportional to 827,212.40, 1,159,672 and 827,212.40
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Solution
The fourth proportional to 827,212.40, 1,159,672 and 827,212.40 is: 1,159,672
Step by Step Solution
- Step 1: Write the proportion equation
827,212.40 : 1,159,672 = 827,212.40 : x - Step 2: Convert to fraction form
827,212.40/1,159,672 = 827,212.40/x - Step 3: Cross multiply
827,212.40x = 1,159,672 × 827,212.40 - Step 4: Simplify right side
827,212.40x = 959,295,058,332.80 - Step 5: Solve for x
x = 959,295,058,332.80/827,212.40 - Step 6: Final answer
x = 1,159,672
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.