Finding the Fourth Proportional to 779,801.06, 1,076,125.47 and 422,105.06
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Solution
The fourth proportional to 779,801.06, 1,076,125.47 and 422,105.06 is: 582,504.99
Step by Step Solution
- Step 1: Write the proportion equation
779,801.06 : 1,076,125.47 = 422,105.06 : x - Step 2: Convert to fraction form
779,801.06/1,076,125.47 = 422,105.06/x - Step 3: Cross multiply
779,801.06x = 1,076,125.47 × 422,105.06 - Step 4: Simplify right side
779,801.06x = 454,238,007,189.30 - Step 5: Solve for x
x = 454,238,007,189.30/779,801.06 - Step 6: Final answer
x = 582,504.99
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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.