Finding the Fourth Proportional to 903,114.05, 1,246,311.45 and 495,253.13
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Solution
The fourth proportional to 903,114.05, 1,246,311.45 and 495,253.13 is: 683,457.03
Step by Step Solution
- Step 1: Write the proportion equation
903,114.05 : 1,246,311.45 = 495,253.13 : x - Step 2: Convert to fraction form
903,114.05/1,246,311.45 = 495,253.13/x - Step 3: Cross multiply
903,114.05x = 1,246,311.45 × 495,253.13 - Step 4: Simplify right side
903,114.05x = 617,239,640,335.78 - Step 5: Solve for x
x = 617,239,640,335.78/903,114.05 - Step 6: Final answer
x = 683,457.03
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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.