Finding the Fourth Proportional to 742,522.44, 1,114,252.21 and 316,057.58
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Solution
The fourth proportional to 742,522.44, 1,114,252.21 and 316,057.58 is: 474,285.81
Step by Step Solution
- Step 1: Write the proportion equation
742,522.44 : 1,114,252.21 = 316,057.58 : x - Step 2: Convert to fraction form
742,522.44/1,114,252.21 = 316,057.58/x - Step 3: Cross multiply
742,522.44x = 1,114,252.21 × 316,057.58 - Step 4: Simplify right side
742,522.44x = 352,167,857,002.25 - Step 5: Solve for x
x = 352,167,857,002.25/742,522.44 - Step 6: Final answer
x = 474,285.81
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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.