Finding the Fourth Proportional to 939,233.20, 1,409,627.40 and 434,570.80
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Solution
The fourth proportional to 939,233.20, 1,409,627.40 and 434,570.80 is: 652,215.99
Step by Step Solution
- Step 1: Write the proportion equation
939,233.20 : 1,409,627.40 = 434,570.80 : x - Step 2: Convert to fraction form
939,233.20/1,409,627.40 = 434,570.80/x - Step 3: Cross multiply
939,233.20x = 1,409,627.40 × 434,570.80 - Step 4: Simplify right side
939,233.20x = 612,582,906,919.92 - Step 5: Solve for x
x = 612,582,906,919.92/939,233.20 - Step 6: Final answer
x = 652,215.99
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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.