Finding the Fourth Proportional to 1,576.04, 2,364 and 405.99
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Solution
The fourth proportional to 1,576.04, 2,364 and 405.99 is: 608.97
Step by Step Solution
- Step 1: Write the proportion equation
1,576.04 : 2,364 = 405.99 : x - Step 2: Convert to fraction form
1,576.04/2,364 = 405.99/x - Step 3: Cross multiply
1,576.04x = 2,364 × 405.99 - Step 4: Simplify right side
1,576.04x = 959,760.36 - Step 5: Solve for x
x = 959,760.36/1,576.04 - Step 6: Final answer
x = 608.97
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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.