Finding the Fourth Proportional to 757,726.54, 1,045,664.81 and 413,565.62
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Solution
The fourth proportional to 757,726.54, 1,045,664.81 and 413,565.62 is: 570,721.75
Step by Step Solution
- Step 1: Write the proportion equation
757,726.54 : 1,045,664.81 = 413,565.62 : x - Step 2: Convert to fraction form
757,726.54/1,045,664.81 = 413,565.62/x - Step 3: Cross multiply
757,726.54x = 1,045,664.81 × 413,565.62 - Step 4: Simplify right side
757,726.54x = 432,451,015,459.83 - Step 5: Solve for x
x = 432,451,015,459.83/757,726.54 - Step 6: Final answer
x = 570,721.75
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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.