Finding the Fourth Proportional to 738,075.80, 1,107,113.70 and 559,616.60
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Solution
The fourth proportional to 738,075.80, 1,107,113.70 and 559,616.60 is: 839,424.90
Step by Step Solution
- Step 1: Write the proportion equation
738,075.80 : 1,107,113.70 = 559,616.60 : x - Step 2: Convert to fraction form
738,075.80/1,107,113.70 = 559,616.60/x - Step 3: Cross multiply
738,075.80x = 1,107,113.70 × 559,616.60 - Step 4: Simplify right side
738,075.80x = 619,559,204,607.42 - Step 5: Solve for x
x = 619,559,204,607.42/738,075.80 - Step 6: Final answer
x = 839,424.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.