Finding the Fourth Proportional to 903,107.20, 1,355,101.02 and 397,604.02
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Solution
The fourth proportional to 903,107.20, 1,355,101.02 and 397,604.02 is: 596,599.84
Step by Step Solution
- Step 1: Write the proportion equation
903,107.20 : 1,355,101.02 = 397,604.02 : x - Step 2: Convert to fraction form
903,107.20/1,355,101.02 = 397,604.02/x - Step 3: Cross multiply
903,107.20x = 1,355,101.02 × 397,604.02 - Step 4: Simplify right side
903,107.20x = 538,793,613,058.10 - Step 5: Solve for x
x = 538,793,613,058.10/903,107.20 - Step 6: Final answer
x = 596,599.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.