Finding the Fourth Proportional to 971,696.16, 1,340,942.52 and 542,004.12
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Solution
The fourth proportional to 971,696.16, 1,340,942.52 and 542,004.12 is: 747,966.70
Step by Step Solution
- Step 1: Write the proportion equation
971,696.16 : 1,340,942.52 = 542,004.12 : x - Step 2: Convert to fraction form
971,696.16/1,340,942.52 = 542,004.12/x - Step 3: Cross multiply
971,696.16x = 1,340,942.52 × 542,004.12 - Step 4: Simplify right side
971,696.16x = 726,796,370,523.18 - Step 5: Solve for x
x = 726,796,370,523.18/971,696.16 - Step 6: Final answer
x = 747,966.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.