Finding the Fourth Proportional to 454,464.19, 626,900.47 and 284,403.07
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Solution
The fourth proportional to 454,464.19, 626,900.47 and 284,403.07 is: 392,313.46
Step by Step Solution
- Step 1: Write the proportion equation
454,464.19 : 626,900.47 = 284,403.07 : x - Step 2: Convert to fraction form
454,464.19/626,900.47 = 284,403.07/x - Step 3: Cross multiply
454,464.19x = 626,900.47 × 284,403.07 - Step 4: Simplify right side
454,464.19x = 178,292,418,252.44 - Step 5: Solve for x
x = 178,292,418,252.44/454,464.19 - Step 6: Final answer
x = 392,313.46
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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.