Finding the Fourth Proportional to 987,075.82, 1,481,203.60 and 906,769.18
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Solution
The fourth proportional to 987,075.82, 1,481,203.60 and 906,769.18 is: 1,360,695.65
Step by Step Solution
- Step 1: Write the proportion equation
987,075.82 : 1,481,203.60 = 906,769.18 : x - Step 2: Convert to fraction form
987,075.82/1,481,203.60 = 906,769.18/x - Step 3: Cross multiply
987,075.82x = 1,481,203.60 × 906,769.18 - Step 4: Simplify right side
987,075.82x = 1,343,109,773,785.05 - Step 5: Solve for x
x = 1,343,109,773,785.05/987,075.82 - Step 6: Final answer
x = 1,360,695.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.