Finding the Fourth Proportional to 730,827.97, 1,008,565.12 and 408,551.65
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Solution
The fourth proportional to 730,827.97, 1,008,565.12 and 408,551.65 is: 563,813.87
Step by Step Solution
- Step 1: Write the proportion equation
730,827.97 : 1,008,565.12 = 408,551.65 : x - Step 2: Convert to fraction form
730,827.97/1,008,565.12 = 408,551.65/x - Step 3: Cross multiply
730,827.97x = 1,008,565.12 × 408,551.65 - Step 4: Simplify right side
730,827.97x = 412,050,941,897.73 - Step 5: Solve for x
x = 412,050,941,897.73/730,827.97 - Step 6: Final answer
x = 563,813.87
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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.