Finding the Fourth Proportional to 464,397.28, 640,274.97 and 300,764.68
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Solution
The fourth proportional to 464,397.28, 640,274.97 and 300,764.68 is: 414,671.03
Step by Step Solution
- Step 1: Write the proportion equation
464,397.28 : 640,274.97 = 300,764.68 : x - Step 2: Convert to fraction form
464,397.28/640,274.97 = 300,764.68/x - Step 3: Cross multiply
464,397.28x = 640,274.97 × 300,764.68 - Step 4: Simplify right side
464,397.28x = 192,572,097,900.99 - Step 5: Solve for x
x = 192,572,097,900.99/464,397.28 - Step 6: Final answer
x = 414,671.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.