Finding the Fourth Proportional to 923,700.15, 1,274,343.57 and 536,449.68
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Solution
The fourth proportional to 923,700.15, 1,274,343.57 and 536,449.68 is: 740,089.95
Step by Step Solution
- Step 1: Write the proportion equation
923,700.15 : 1,274,343.57 = 536,449.68 : x - Step 2: Convert to fraction form
923,700.15/1,274,343.57 = 536,449.68/x - Step 3: Cross multiply
923,700.15x = 1,274,343.57 × 536,449.68 - Step 4: Simplify right side
923,700.15x = 683,621,200,336.56 - Step 5: Solve for x
x = 683,621,200,336.56/923,700.15 - Step 6: Final answer
x = 740,089.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.