Finding the Fourth Proportional to 779,859.36, 1,076,271.84 and 440,389.44
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Solution
The fourth proportional to 779,859.36, 1,076,271.84 and 440,389.44 is: 607,774.65
Step by Step Solution
- Step 1: Write the proportion equation
779,859.36 : 1,076,271.84 = 440,389.44 : x - Step 2: Convert to fraction form
779,859.36/1,076,271.84 = 440,389.44/x - Step 3: Cross multiply
779,859.36x = 1,076,271.84 × 440,389.44 - Step 4: Simplify right side
779,859.36x = 473,978,752,905.37 - Step 5: Solve for x
x = 473,978,752,905.37/779,859.36 - Step 6: Final answer
x = 607,774.65
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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.