Finding the Fourth Proportional to 742,515.96, 1,114,305 and 316,350.46
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Solution
The fourth proportional to 742,515.96, 1,114,305 and 316,350.46 is: 474,751.95
Step by Step Solution
- Step 1: Write the proportion equation
742,515.96 : 1,114,305 = 316,350.46 : x - Step 2: Convert to fraction form
742,515.96/1,114,305 = 316,350.46/x - Step 3: Cross multiply
742,515.96x = 1,114,305 × 316,350.46 - Step 4: Simplify right side
742,515.96x = 352,510,899,330.30 - Step 5: Solve for x
x = 352,510,899,330.30/742,515.96 - Step 6: Final answer
x = 474,751.95
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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.