Finding the Fourth Proportional to 920,502.96, 1,269,639.73 and 614,425.02
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Solution
The fourth proportional to 920,502.96, 1,269,639.73 and 614,425.02 is: 847,469.75
Step by Step Solution
- Step 1: Write the proportion equation
920,502.96 : 1,269,639.73 = 614,425.02 : x - Step 2: Convert to fraction form
920,502.96/1,269,639.73 = 614,425.02/x - Step 3: Cross multiply
920,502.96x = 1,269,639.73 × 614,425.02 - Step 4: Simplify right side
920,502.96x = 780,098,416,498.05 - Step 5: Solve for x
x = 780,098,416,498.05/920,502.96 - Step 6: Final answer
x = 847,469.75
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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.