Finding the Fourth Proportional to 669,564.57, 924,056.11 and 379,227.79
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Solution
The fourth proportional to 669,564.57, 924,056.11 and 379,227.79 is: 523,366.64
Step by Step Solution
- Step 1: Write the proportion equation
669,564.57 : 924,056.11 = 379,227.79 : x - Step 2: Convert to fraction form
669,564.57/924,056.11 = 379,227.79/x - Step 3: Cross multiply
669,564.57x = 924,056.11 × 379,227.79 - Step 4: Simplify right side
669,564.57x = 350,427,756,431.30 - Step 5: Solve for x
x = 350,427,756,431.30/669,564.57 - Step 6: Final answer
x = 523,366.64
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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.