Finding the Fourth Proportional to 840,885.37, 1,261,528.99 and 272,267.08
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Solution
The fourth proportional to 840,885.37, 1,261,528.99 and 272,267.08 is: 408,465.68
Step by Step Solution
- Step 1: Write the proportion equation
840,885.37 : 1,261,528.99 = 272,267.08 : x - Step 2: Convert to fraction form
840,885.37/1,261,528.99 = 272,267.08/x - Step 3: Cross multiply
840,885.37x = 1,261,528.99 × 272,267.08 - Step 4: Simplify right side
840,885.37x = 343,472,810,608.16 - Step 5: Solve for x
x = 343,472,810,608.16/840,885.37 - Step 6: Final answer
x = 408,465.68
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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.