Finding the Fourth Proportional to 744,888.58, 1,117,225.32 and 239,383.57
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Solution
The fourth proportional to 744,888.58, 1,117,225.32 and 239,383.57 is: 359,040.79
Step by Step Solution
- Step 1: Write the proportion equation
744,888.58 : 1,117,225.32 = 239,383.57 : x - Step 2: Convert to fraction form
744,888.58/1,117,225.32 = 239,383.57/x - Step 3: Cross multiply
744,888.58x = 1,117,225.32 × 239,383.57 - Step 4: Simplify right side
744,888.58x = 267,445,385,595.99 - Step 5: Solve for x
x = 267,445,385,595.99/744,888.58 - Step 6: Final answer
x = 359,040.79
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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.