Finding the Fourth Proportional to 734,125.10, 1,101,835.65 and 434,230.70
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Solution
The fourth proportional to 734,125.10, 1,101,835.65 and 434,230.70 is: 651,729.34
Step by Step Solution
- Step 1: Write the proportion equation
734,125.10 : 1,101,835.65 = 434,230.70 : x - Step 2: Convert to fraction form
734,125.10/1,101,835.65 = 434,230.70/x - Step 3: Cross multiply
734,125.10x = 1,101,835.65 × 434,230.70 - Step 4: Simplify right side
734,125.10x = 478,450,865,584.46 - Step 5: Solve for x
x = 478,450,865,584.46/734,125.10 - Step 6: Final answer
x = 651,729.34
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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.