Finding the Fourth Proportional to 779,829.62, 1,076,165.07 and 422,133.62
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Solution
The fourth proportional to 779,829.62, 1,076,165.07 and 422,133.62 is: 582,544.50
Step by Step Solution
- Step 1: Write the proportion equation
779,829.62 : 1,076,165.07 = 422,133.62 : x - Step 2: Convert to fraction form
779,829.62/1,076,165.07 = 422,133.62/x - Step 3: Cross multiply
779,829.62x = 1,076,165.07 × 422,133.62 - Step 4: Simplify right side
779,829.62x = 454,285,456,716.65 - Step 5: Solve for x
x = 454,285,456,716.65/779,829.62 - Step 6: Final answer
x = 582,544.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.