Finding the Fourth Proportional to 923,522.67, 1,274,448.87 and 515,630.76
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Solution
The fourth proportional to 923,522.67, 1,274,448.87 and 515,630.76 is: 711,563.52
Step by Step Solution
- Step 1: Write the proportion equation
923,522.67 : 1,274,448.87 = 515,630.76 : x - Step 2: Convert to fraction form
923,522.67/1,274,448.87 = 515,630.76/x - Step 3: Cross multiply
923,522.67x = 1,274,448.87 × 515,630.76 - Step 4: Simplify right side
923,522.67x = 657,145,039,419.24 - Step 5: Solve for x
x = 657,145,039,419.24/923,522.67 - Step 6: Final answer
x = 711,563.52
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1.5x scale
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.