Finding the Fourth Proportional to 902,989.84, 1,246,119.36 and 495,084.96
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Solution
The fourth proportional to 902,989.84, 1,246,119.36 and 495,084.96 is: 683,213.62
Step by Step Solution
- Step 1: Write the proportion equation
902,989.84 : 1,246,119.36 = 495,084.96 : x - Step 2: Convert to fraction form
902,989.84/1,246,119.36 = 495,084.96/x - Step 3: Cross multiply
902,989.84x = 1,246,119.36 × 495,084.96 - Step 4: Simplify right side
902,989.84x = 616,934,953,500.83 - Step 5: Solve for x
x = 616,934,953,500.83/902,989.84 - Step 6: Final answer
x = 683,213.62
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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.