Finding the Fourth Proportional to 1,313,942.64, 1,970,896.68 and 316,662
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Solution
The fourth proportional to 1,313,942.64, 1,970,896.68 and 316,662 is: 474,988.84
Step by Step Solution
- Step 1: Write the proportion equation
1,313,942.64 : 1,970,896.68 = 316,662 : x - Step 2: Convert to fraction form
1,313,942.64/1,970,896.68 = 316,662/x - Step 3: Cross multiply
1,313,942.64x = 1,970,896.68 × 316,662 - Step 4: Simplify right side
1,313,942.64x = 624,108,084,482.16 - Step 5: Solve for x
x = 624,108,084,482.16/1,313,942.64 - Step 6: Final answer
x = 474,988.84
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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.