Finding the Fourth Proportional to 815,823.20, 1,223,734.80 and 741,027.80
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Solution
The fourth proportional to 815,823.20, 1,223,734.80 and 741,027.80 is: 1,111,541.70
Step by Step Solution
- Step 1: Write the proportion equation
815,823.20 : 1,223,734.80 = 741,027.80 : x - Step 2: Convert to fraction form
815,823.20/1,223,734.80 = 741,027.80/x - Step 3: Cross multiply
815,823.20x = 1,223,734.80 × 741,027.80 - Step 4: Simplify right side
815,823.20x = 906,821,506,627.44 - Step 5: Solve for x
x = 906,821,506,627.44/815,823.20 - Step 6: Final answer
x = 1,111,541.70
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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.