Finding the Fourth Proportional to 730,288.44, 1,007,818.61 and 408,033.99
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Solution
The fourth proportional to 730,288.44, 1,007,818.61 and 408,033.99 is: 563,098.39
Step by Step Solution
- Step 1: Write the proportion equation
730,288.44 : 1,007,818.61 = 408,033.99 : x - Step 2: Convert to fraction form
730,288.44/1,007,818.61 = 408,033.99/x - Step 3: Cross multiply
730,288.44x = 1,007,818.61 × 408,033.99 - Step 4: Simplify right side
730,288.44x = 411,224,246,594.38 - Step 5: Solve for x
x = 411,224,246,594.38/730,288.44 - Step 6: Final answer
x = 563,098.39
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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.