Finding the Fourth Proportional to 730,313.46, 1,007,813.97 and 408,025.98
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Solution
The fourth proportional to 730,313.46, 1,007,813.97 and 408,025.98 is: 563,065.45
Step by Step Solution
- Step 1: Write the proportion equation
730,313.46 : 1,007,813.97 = 408,025.98 : x - Step 2: Convert to fraction form
730,313.46/1,007,813.97 = 408,025.98/x - Step 3: Cross multiply
730,313.46x = 1,007,813.97 × 408,025.98 - Step 4: Simplify right side
730,313.46x = 411,214,275,687.74 - Step 5: Solve for x
x = 411,214,275,687.74/730,313.46 - Step 6: Final answer
x = 563,065.45
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1.5x scale
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.