Finding the Fourth Proportional to 743,515.92, 1,114,646.88 and 322,474.68
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Solution
The fourth proportional to 743,515.92, 1,114,646.88 and 322,474.68 is: 483,440.08
Step by Step Solution
- Step 1: Write the proportion equation
743,515.92 : 1,114,646.88 = 322,474.68 : x - Step 2: Convert to fraction form
743,515.92/1,114,646.88 = 322,474.68/x - Step 3: Cross multiply
743,515.92x = 1,114,646.88 × 322,474.68 - Step 4: Simplify right side
743,515.92x = 359,445,395,941.00 - Step 5: Solve for x
x = 359,445,395,941.00/743,515.92 - Step 6: Final answer
x = 483,440.08
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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.