Finding the Fourth Proportional to 756,075.74, 1,042,683.69 and 551,803.11
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Solution
The fourth proportional to 756,075.74, 1,042,683.69 and 551,803.11 is: 760,976.80
Step by Step Solution
- Step 1: Write the proportion equation
756,075.74 : 1,042,683.69 = 551,803.11 : x - Step 2: Convert to fraction form
756,075.74/1,042,683.69 = 551,803.11/x - Step 3: Cross multiply
756,075.74x = 1,042,683.69 × 551,803.11 - Step 4: Simplify right side
756,075.74x = 575,356,100,876.13 - Step 5: Solve for x
x = 575,356,100,876.13/756,075.74 - Step 6: Final answer
x = 760,976.80
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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.