Finding the Fourth Proportional to 1,314,735.12, 1,972,104.24 and 317,463.12
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Solution
The fourth proportional to 1,314,735.12, 1,972,104.24 and 317,463.12 is: 476,195.06
Step by Step Solution
- Step 1: Write the proportion equation
1,314,735.12 : 1,972,104.24 = 317,463.12 : x - Step 2: Convert to fraction form
1,314,735.12/1,972,104.24 = 317,463.12/x - Step 3: Cross multiply
1,314,735.12x = 1,972,104.24 × 317,463.12 - Step 4: Simplify right side
1,314,735.12x = 626,070,364,995.63 - Step 5: Solve for x
x = 626,070,364,995.63/1,314,735.12 - Step 6: Final answer
x = 476,195.06
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1.5x scale
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.