Finding the Fourth Proportional to 844,726.94, 1,165,431.04 and 640,565.18
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Solution
The fourth proportional to 844,726.94, 1,165,431.04 and 640,565.18 is: 883,758.42
Step by Step Solution
- Step 1: Write the proportion equation
844,726.94 : 1,165,431.04 = 640,565.18 : x - Step 2: Convert to fraction form
844,726.94/1,165,431.04 = 640,565.18/x - Step 3: Cross multiply
844,726.94x = 1,165,431.04 × 640,565.18 - Step 4: Simplify right side
844,726.94x = 746,534,543,915.19 - Step 5: Solve for x
x = 746,534,543,915.19/844,726.94 - Step 6: Final answer
x = 883,758.42
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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.