Finding the Fourth Proportional to 771,744.07, 1,152,110.37 and 720,457.82
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Solution
The fourth proportional to 771,744.07, 1,152,110.37 and 720,457.82 is: 1,075,546.88
Step by Step Solution
- Step 1: Write the proportion equation
771,744.07 : 1,152,110.37 = 720,457.82 : x - Step 2: Convert to fraction form
771,744.07/1,152,110.37 = 720,457.82/x - Step 3: Cross multiply
771,744.07x = 1,152,110.37 × 720,457.82 - Step 4: Simplify right side
771,744.07x = 830,046,929,259.22 - Step 5: Solve for x
x = 830,046,929,259.22/771,744.07 - Step 6: Final answer
x = 1,075,546.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.