Finding the Fourth Proportional to 398,800.80, 596,743.20 and 293,824.80
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Solution
The fourth proportional to 398,800.80, 596,743.20 and 293,824.80 is: 439,662.99
Step by Step Solution
- Step 1: Write the proportion equation
398,800.80 : 596,743.20 = 293,824.80 : x - Step 2: Convert to fraction form
398,800.80/596,743.20 = 293,824.80/x - Step 3: Cross multiply
398,800.80x = 596,743.20 × 293,824.80 - Step 4: Simplify right side
398,800.80x = 175,337,951,391.36 - Step 5: Solve for x
x = 175,337,951,391.36/398,800.80 - Step 6: Final answer
x = 439,662.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.